Update notebooks
This commit is contained in:
parent
5dfd67b563
commit
85b1931673
@ -138,7 +138,7 @@
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},
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{
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"cell_type": "code",
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"source": "println(\"This is a string with \\$\")",
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"source": "println(\"This is a string with \\$a\")",
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"metadata": {
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"datalore": {
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"node_id": "hm9iYlWj1B2S0469GtxDrf",
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@ -157,13 +157,16 @@
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{
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"cell_type": "code",
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"source": [
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"println(\"\"\"\n",
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"println(\n",
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" \"\"\"\n",
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" \\\\\\\n",
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" This is a \n",
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" multi\n",
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" line\n",
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" raw\n",
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" string\n",
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"\"\"\".trimIndent())"
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"\"\"\".trimIndent()\n",
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")"
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],
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"metadata": {
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"datalore": {
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@ -182,9 +185,7 @@
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},
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{
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"cell_type": "code",
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"source": [
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"println(\"\"\"This is a raw string number ${number+1} with \\ and ${'$'} \"\"\")"
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],
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"source": "println(\"\"\"This is a raw string number ${number + 1} with \\ and ${'$'} \"\"\")",
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"metadata": {
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"datalore": {
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"node_id": "KDL3D9lOVn6vX3iTAY50gb",
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@ -232,7 +233,7 @@
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"source": [
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"/* Not recommended */\n",
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"var counter = 0\n",
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"for(i in 0..20){\n",
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"for (i in 0..20) {\n",
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" counter += i\n",
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"}\n",
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"counter"
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@ -277,7 +278,7 @@
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{
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"cell_type": "code",
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"source": [
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"val intArray: IntArray = IntArray(21){ it -> it + 1 }\n",
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"val intArray: IntArray = IntArray(21) { it -> it + 1 }\n",
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"intArray.sum()"
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],
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"metadata": {
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@ -295,6 +296,20 @@
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"outputs": [],
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"execution_count": null
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},
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{
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"metadata": {},
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"cell_type": "code",
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"source": [
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"var _a = 2\n",
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"val a: Int get() = _a\n",
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"\n",
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"println(a)\n",
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"_a = 3\n",
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"println(a)"
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],
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"outputs": [],
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"execution_count": null
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},
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{
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"cell_type": "markdown",
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"source": [
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@ -324,7 +339,7 @@
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"/**\n",
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" * Functions could be defined everywhere in kotlin code. This is a so-called top-level function.\n",
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" */\n",
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"fun doSomething(){\n",
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"fun doSomething() {\n",
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" println(\"I did it\")\n",
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"}\n",
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"\n",
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@ -348,15 +363,15 @@
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{
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"cell_type": "code",
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"source": [
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"interface AnInterface{\n",
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"interface AnInterface {\n",
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" fun doSomethingInAnObject()\n",
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"}\n",
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"\n",
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"object AnObject : AnInterface{\n",
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"object AnObject : AnInterface {\n",
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" /**\n",
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" * This is a member-function\n",
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" */\n",
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" override fun doSomethingInAnObject(){\n",
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" override fun doSomethingInAnObject() {\n",
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" println(\"I did it in an object\")\n",
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" }\n",
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"}\n",
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@ -381,13 +396,14 @@
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{
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"cell_type": "code",
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"source": [
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"fun doSomethingSpecial(){\n",
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"fun doSomethingSpecial() {\n",
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" val base = \"base\"\n",
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" val special = \"special\"\n",
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"\n",
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" /**\n",
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" * This one is inside another function\n",
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" */\n",
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" fun String.doSomethingInside(){\n",
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" fun String.doSomethingInside() {\n",
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" println(\"I did $special inside another function on $this\")\n",
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" }\n",
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" base.doSomethingInside()\n",
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@ -415,12 +431,12 @@
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"cell_type": "code",
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"source": [
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"fun returnFunction(): (String) -> Unit {\n",
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" fun printStringWithPrefix(str: String){\n",
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" fun printStringWithPrefix(str: String) {\n",
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" println(\"Prefixed: $str\")\n",
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" }\n",
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" return ::printStringWithPrefix\n",
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" //return { printStringWithPrefix(it) }\n",
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" // return { println(\"Prefixed: $it\") }\n",
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" //return { println(\"Prefixed: $it\") }\n",
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"}\n",
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"\n",
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"returnFunction()(\"Haskel, Boo!\")"
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@ -462,7 +478,6 @@
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{
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"cell_type": "code",
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"source": [
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"\n",
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"fun returnUnit(): Unit {\n",
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" // no return statement `Unit` is returned implicitly\n",
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" val b = Unit\n",
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@ -487,8 +502,8 @@
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"metadata": {},
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"cell_type": "code",
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"source": [
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"fun doNothing(){\n",
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" \n",
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"fun doNothing() {\n",
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"\n",
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"}\n",
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"\n",
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"val a = doNothing()\n",
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@ -520,9 +535,10 @@
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"}\n",
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"\n",
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"doSomethingWithDefault()\n",
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"doSomethingWithDefault(4)\n",
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"doSomethingWithDefault(2, \"aaa\")\n",
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"doSomethingWithDefault(b = \"fff\", a = 8)\n",
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"doSomethingWithDefault(4, b = \"fff\")\n",
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"doSomethingWithDefault(6, b = \"fff\")\n",
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"doSomethingWithDefault(a = 2, \"fff\")// don't do that"
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],
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"metadata": {
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@ -557,7 +573,7 @@
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" sum += function(pos)\n",
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" pos += step\n",
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" }\n",
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" return sum*step\n",
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" return sum * step\n",
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"}\n",
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"\n",
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"integrate { x ->\n",
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@ -585,13 +601,13 @@
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"metadata": {},
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"cell_type": "code",
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"source": [
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"fun functionWithParameters(){\n",
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"fun functionWithParameters() {\n",
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" println(\"without default\")\n",
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"}\n",
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"\n",
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"//@JvmOverloads\n",
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"@JvmName(\"functionWithDefaultParameters\")\n",
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"fun functionWithParameters(a: Int = 2){\n",
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"fun functionWithParameters(a: Int = 2) { // don't do that\n",
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" println(\"with default\")\n",
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"}\n",
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"\n",
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@ -622,7 +638,7 @@
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"\n",
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"class Context(val a: String, val b: String)\n",
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"\n",
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"fun somethingWith(context: Context) = with(context){\n",
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"fun somethingWith(context: Context) = with(context) {\n",
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" println(a + b)\n",
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"}"
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],
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@ -661,25 +677,25 @@
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{
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"cell_type": "code",
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"source": [
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"data class BuildResult internal constructor(val str: String, val int: Int, val optional: Double?){\n",
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" init{\n",
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" require(optional!= null){ \"null!\" }\n",
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"data class BuildResult internal constructor(val str: String, val int: Int, val optional: Double?) {\n",
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" init {\n",
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" require(optional != null) { \"null!\" }\n",
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" }\n",
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"}\n",
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"\n",
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"class Builder(\n",
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" var str: String = \"\", \n",
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" var str: String = \"\",\n",
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" var int: Int = 0\n",
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"){\n",
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") {\n",
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" var optional: Double? = null\n",
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"\n",
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" fun build() = BuildResult(str, int, optional)\n",
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"}\n",
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"\n",
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"fun BuildResult(defaultInt: Int, block: Builder.() -> Unit): BuildResult = \n",
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"fun BuildResult(defaultInt: Int, block: Builder.() -> Unit): BuildResult =\n",
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" Builder(int = defaultInt).apply(block).build()\n",
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"\n",
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"val res = BuildResult(2){\n",
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"val res = BuildResult(2) {\n",
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" str = \"ff\"\n",
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" optional = 1.0\n",
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"}\n",
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@ -717,16 +733,19 @@
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"source": [
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"//Interfaces and objects\n",
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"\n",
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"interface AnInterface {\n",
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"fun interface AnInterface {\n",
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" val a: Int\n",
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" get() = 4\n",
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" // set(value){\n",
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" // println(value)\n",
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" // }\n",
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"\n",
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" // set(value){\n",
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" // println(value)\n",
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" // }\n",
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" fun doSomething() //= println(\"From interface\")\n",
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"\n",
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" fun doSomething2() = Unit\n",
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"}\n",
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"\n",
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"abstract class AnAbstractClass(override val a: Int): AnInterface{\n",
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"abstract class AnAbstractClass(override val a: Int) : AnInterface {\n",
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" override final fun doSomething() = println(\"From a class\")\n",
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" abstract fun doSomethingElse()\n",
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"}\n",
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@ -747,25 +766,30 @@
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"}\n",
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"\n",
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"/**\n",
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"* Creating an instance\n",
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"*/\n",
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" * Creating an instance\n",
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" */\n",
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"val instance = AClass(3)\n",
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"\n",
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"/**\n",
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"* Using singleton reference without constructor invocation\n",
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"*/\n",
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" * Using singleton reference without constructor invocation\n",
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" */\n",
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"val obj: AnInterface = AnObject\n",
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"\n",
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"/**\n",
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"* Anonymous object\n",
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"*/\n",
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" * Anonymous object\n",
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" */\n",
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"val anonymous = object : AnInterface {\n",
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" override fun doSomething(): Unit = TODO(\"Not yet implemented\")\n",
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" override fun doSomething2(): Unit = TODO(\"Not yet implemented\")\n",
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"}\n",
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"\n",
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"val anonymous2 = AnInterface {\n",
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" println(\"Do something\")\n",
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"}\n",
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"\n",
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"/**\n",
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"* The one that should not be named\n",
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"*/\n",
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" * The one that should not be named\n",
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" */\n",
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"val voldemort = object {\n",
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" fun doSomething(): Unit = TODO()\n",
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"}\n",
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@ -787,23 +811,23 @@
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"metadata": {},
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"cell_type": "code",
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"source": [
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"fun interface Float64Function: (Double) -> Double {\n",
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"fun interface Float64Function : (Double) -> Double {\n",
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" override operator fun invoke(arg: Double): Double\n",
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" \n",
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" operator fun invoke(doubles: DoubleArray): DoubleArray = DoubleArray(doubles.size){ invoke( doubles[it]) }\n",
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"\n",
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" operator fun invoke(doubles: DoubleArray): DoubleArray = DoubleArray(doubles.size) { invoke(doubles[it]) }\n",
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"}\n",
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"\n",
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"val sin = object : Float64Function{\n",
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"val sin = object : Float64Function {\n",
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" override fun invoke(p1: Double): Double = sin(p1)\n",
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"}\n",
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"\n",
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"val cos = Float64Function{ kotlin.math.cos(it) }\n",
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"val cos = Float64Function { kotlin.math.cos(it) }\n",
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"\n",
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"val tg = Float64Function(::tan)\n",
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"\n",
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"sin(PI/2)\n",
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"sin(PI / 2)\n",
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"\n",
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"sin(doubleArrayOf(0.0, PI/2))"
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"sin(doubleArrayOf(0.0, PI / 2))"
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],
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"outputs": [],
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"execution_count": null
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@ -828,15 +852,15 @@
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{
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"cell_type": "code",
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"source": [
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"interface Producer<out T>{\n",
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"interface Producer<out T> {\n",
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" fun produce(): T\n",
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"}\n",
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"\n",
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"interface Consumer<in T>{\n",
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"interface Consumer<in T> {\n",
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" fun consume(value: T)\n",
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"}\n",
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"\n",
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"interface Doer<T>: Producer<T>, Consumer<T> {\n",
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"interface Doer<T> : Producer<T>, Consumer<T> {\n",
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"\n",
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"}"
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],
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@ -924,7 +948,7 @@
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" is String -> println(\"I am a String. Length is ${arg.length}\")\n",
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" is Int -> println(\"I am an Int.\")\n",
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" is Double -> println(\"I am a Double\")\n",
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" // 2==2 -> println(\"Wat?\")\n",
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" //2==2 -> println(\"Wat?\")\n",
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" else -> println(\"I don't know who am I?\")\n",
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"}\n",
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"\n",
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@ -994,8 +1018,7 @@
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{
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"cell_type": "code",
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"source": [
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"\n",
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"val res: Result<Int> = runCatching<Int> { \n",
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"val res: Result<Int> = runCatching<Int> {\n",
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" //error(\"Error happened\")\n",
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" 4\n",
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"}\n",
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@ -1098,6 +1121,19 @@
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"outputs": [],
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"execution_count": null
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},
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{
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"metadata": {},
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"cell_type": "code",
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"source": [
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"fun loop(block: () -> Unit): Nothing {\n",
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" while (true) {\n",
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" block()\n",
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" }\n",
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"}"
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],
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"outputs": [],
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"execution_count": null
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},
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{
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"cell_type": "markdown",
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"source": [
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@ -1116,13 +1152,16 @@
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{
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"cell_type": "code",
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"source": [
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"\n",
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"class SimpleClass(val a: Int, val b: Double, c: Double){\n",
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"class SimpleClass(val a: Int, val b: Double, c: Double) {\n",
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" override fun toString() = \"SimpleClass(a=$a, b=$b)\"\n",
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"}\n",
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"\n",
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"\n",
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"data class DataClass(val a: Int, var b: Double /*, d: Double */) {\n",
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" init {\n",
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" require(b >= 0) { \"B should be positive\" }\n",
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" }\n",
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"\n",
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" val c get() = b + 1\n",
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"}\n",
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"\n",
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@ -1205,9 +1244,9 @@
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"import java.util.Optional\n",
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"import kotlin.reflect.typeOf\n",
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"\n",
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"println(typeOf<Optional<Boolean>>() == typeOf<Optional<Optional<Boolean>>>())\n",
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"println(typeOf<Optional<Boolean>>() == typeOf<Optional<Optional<Boolean>>>())\n",
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"\n",
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"println( typeOf<Boolean?>() == typeOf<Boolean??>()) "
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"println(typeOf<Boolean?>() == typeOf<Boolean??>())"
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],
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"outputs": [],
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"execution_count": null
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@ -1215,7 +1254,7 @@
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{
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"metadata": {},
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"cell_type": "code",
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"source": "mapOf<String,String>().get(\"f\")!!",
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"source": "mapOf<String, String>().get(\"f\")!!",
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"outputs": [],
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"execution_count": null
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},
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@ -1237,6 +1276,7 @@
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{
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"cell_type": "code",
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"source": [
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"import java.io.File\n",
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"\n",
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"/**\n",
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" * Safe call and elvis operator\n",
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@ -1311,7 +1351,6 @@
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{
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"cell_type": "code",
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"source": [
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"\n",
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"/**\n",
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" * Dart-like (?=) nullable assignment\n",
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" */\n",
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@ -1382,10 +1421,10 @@
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{
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"cell_type": "code",
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"source": [
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"infix fun <T: Comparable<T>> ClosedRange<T>.intersect(other: ClosedRange<T>): ClosedRange<T>?{\n",
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"infix fun <T : Comparable<T>> ClosedRange<T>.intersect(other: ClosedRange<T>): ClosedRange<T>? {\n",
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" val start = maxOf(this.start, other.start)\n",
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" val end = minOf(this.endInclusive, other.endInclusive)\n",
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" return if(end>=start) start..end else null\n",
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" return if (end >= start) start..end else null\n",
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"}\n",
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"\n",
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"(0..8).intersect(6..12)\n",
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@ -1405,7 +1444,7 @@
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{
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"metadata": {},
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"cell_type": "code",
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"source": "",
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"source": "0.0..8.0 intersect 2.9..6.1",
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"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
@ -1413,8 +1452,8 @@
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"fun List<String>.concat() = joinToString(separator = \"\")\n",
|
||||
"listOf(\"a\",\"b\",\"c\").concat()\n",
|
||||
"listOf(1,2,3).concat()"
|
||||
"listOf(\"a\", \"b\", \"c\").concat()\n",
|
||||
"listOf(1, 2, 3).concat()"
|
||||
],
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
@ -1438,7 +1477,7 @@
|
||||
"metadata": {},
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"val functionWithReciever: List<String>.(arg: Int) -> Unit = {arg->\n",
|
||||
"val functionWithReciever: List<String>.(arg: Int) -> Unit = { arg ->\n",
|
||||
" println(get(arg))\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
@ -1467,13 +1506,12 @@
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"\n",
|
||||
"/**\n",
|
||||
" * Extension property (must be virtual)\n",
|
||||
" */\n",
|
||||
"val List<Number>.odd get() = filter { it.toInt() % 2 == 1 }\n",
|
||||
"\n",
|
||||
"List(10){it}.odd"
|
||||
"List(10) { it }.odd"
|
||||
],
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
@ -1491,15 +1529,22 @@
|
||||
"source": [
|
||||
"var MutableMap<String, String>.a: String?\n",
|
||||
" get() = this.get(\"a\")\n",
|
||||
" set(value){\n",
|
||||
" if(value == null){\n",
|
||||
" set(value) {\n",
|
||||
" if (value == null) {\n",
|
||||
" this.remove(\"a\")\n",
|
||||
" } else {\n",
|
||||
" this.set(\"a\",value)\n",
|
||||
" this.set(\"a\", value)\n",
|
||||
" }\n",
|
||||
" }\n",
|
||||
"\n",
|
||||
"val map = mutableMapOf(\"a\" to \"a\", \"b\" to \"b\")\n",
|
||||
"val map = mutableMapOf(\n",
|
||||
" \"a\" to \"a\",\n",
|
||||
" \"b\" to \"b\"\n",
|
||||
")\n",
|
||||
"val map2 = mutableMapOf(\n",
|
||||
" Pair(\"a\", \"a\"),\n",
|
||||
" Pair(\"b\", \"b\")\n",
|
||||
")\n",
|
||||
"\n",
|
||||
"map.a = \"6\"\n",
|
||||
"\n",
|
||||
@ -1519,7 +1564,6 @@
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"\n",
|
||||
"/**\n",
|
||||
" * Extension variable (also must be virtual)\n",
|
||||
" */\n",
|
||||
@ -1530,7 +1574,7 @@
|
||||
" }\n",
|
||||
"\n",
|
||||
"\n",
|
||||
"val array = Array(5){it}\n",
|
||||
"val array = Array(5) { it }\n",
|
||||
"array.second = 9\n",
|
||||
"array"
|
||||
],
|
||||
@ -1563,7 +1607,7 @@
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"object AClass{\n",
|
||||
"object AClass {\n",
|
||||
" val a = \"a\"\n",
|
||||
" val b = \"b\"\n",
|
||||
" val c = \"c\"\n",
|
||||
@ -1580,7 +1624,7 @@
|
||||
"println(\"a = ${AClass.a}, b = ${AClass.b}, c = ${AClass.c}\")\n",
|
||||
"\n",
|
||||
"// Using `with`\n",
|
||||
"val res = with(AClass){\n",
|
||||
"val res = with(AClass) {\n",
|
||||
" // AClass type is the receiver in this scope\n",
|
||||
" println(\"a = ${this.a}, b = $b, c = $c\")\n",
|
||||
" /*return@with*/ \"some value\"\n",
|
||||
@ -1603,11 +1647,11 @@
|
||||
"metadata": {},
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"object AContext{\n",
|
||||
"object AContext {\n",
|
||||
" fun AClass.abc() = a + b + c // warning additional concatenation\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
"fun printAbc(aClass: AClass) = with(AContext){\n",
|
||||
"fun printAbc(aClass: AClass) = with(AContext) {\n",
|
||||
" aClass.abc()\n",
|
||||
"}"
|
||||
],
|
||||
@ -1617,7 +1661,6 @@
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"\n",
|
||||
"//using `run`\n",
|
||||
"getAClass()?.takeIf { it.a.isNotEmpty() }?.run {\n",
|
||||
" // the same as above\n",
|
||||
@ -1626,7 +1669,7 @@
|
||||
"}\n",
|
||||
"\n",
|
||||
"val runResult: Int = run {\n",
|
||||
" \n",
|
||||
"\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
"//Using `let` to compose result. Not recommended using without a need\n",
|
||||
@ -1650,7 +1693,15 @@
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"//Don't do that\n",
|
||||
"fun scopeAbuse(str: String?) = str.takeIf { it?.isNotEmpty() == true }?.let { it.substring(0..4) }?.let { it.matches(\".*\".toRegex())}"
|
||||
"fun scopeAbuse(str: String?) =\n",
|
||||
" str.takeIf { it?.isNotEmpty() == true }?.let { it.substring(0..4) }?.let { it.matches(\".*\".toRegex()) }\n",
|
||||
"\n",
|
||||
"fun withoutAbuse(str: String?): Boolean? = if (str?.isNotEmpty() == true) {\n",
|
||||
" val substring = str.substring(0..4)\n",
|
||||
" substring.matches(\".*\".toRegex())\n",
|
||||
"} else {\n",
|
||||
" null\n",
|
||||
"}"
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
@ -1679,10 +1730,14 @@
|
||||
"var i = 2\n",
|
||||
"\n",
|
||||
"/**\n",
|
||||
"* [also] block does not affect the result\n",
|
||||
"*/\n",
|
||||
" * [also] block does not affect the result\n",
|
||||
" */\n",
|
||||
"fun getAndIncrement() = i.also { i += 1 } //don't do that\n",
|
||||
"\n",
|
||||
"fun incrementAndPring(arg: Int) = (arg + 1).also{\n",
|
||||
" println(it)\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
"println(getAndIncrement())\n",
|
||||
"println(i)"
|
||||
],
|
||||
@ -1700,7 +1755,6 @@
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"\n",
|
||||
"class Rectangle {\n",
|
||||
" var length: Number = 0\n",
|
||||
" var breadth: Number = 0\n",
|
||||
@ -1708,9 +1762,9 @@
|
||||
"}\n",
|
||||
"\n",
|
||||
"/**\n",
|
||||
" * Configure properties of an object (apply)\n",
|
||||
" * https://kotlinlang.org/docs/idioms.html#configure-properties-of-an-object-apply\n",
|
||||
" */\n",
|
||||
" * Configure properties of an object (apply)\n",
|
||||
" * https://kotlinlang.org/docs/idioms.html#configure-properties-of-an-object-apply\n",
|
||||
" */\n",
|
||||
"val myRectangle = Rectangle().apply {\n",
|
||||
" length = 4\n",
|
||||
" breadth = 5\n",
|
||||
@ -1740,6 +1794,13 @@
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"metadata": {},
|
||||
"cell_type": "code",
|
||||
"source": "",
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"cell_type": "markdown",
|
||||
"source": [
|
||||
@ -1790,10 +1851,9 @@
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"\n",
|
||||
"/**\n",
|
||||
"* This one creates a mutable list\n",
|
||||
"*/\n",
|
||||
" * This one creates a mutable list\n",
|
||||
" */\n",
|
||||
"val mutableList: MutableList<String> = mutableListOf(\"a\", \"b\", \"c\")\n",
|
||||
"mutableList[2] = \"d\"\n",
|
||||
"mutableList.add(\"e\")\n",
|
||||
@ -1815,7 +1875,6 @@
|
||||
"metadata": {},
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"\n",
|
||||
"//don't do that ever\n",
|
||||
"fun doBadThingWithList(list: List<String>): List<String> = (list as MutableList<String>).apply { add(\"something\") }\n",
|
||||
"\n",
|
||||
@ -1844,9 +1903,9 @@
|
||||
"metadata": {},
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"val mutableList = mutableListOf(1,2,3)\n",
|
||||
"val mutableList = mutableListOf(1, 2, 3)\n",
|
||||
"\n",
|
||||
"fun consumeList(list: List<Int>){\n",
|
||||
"fun consumeList(list: List<Int>) {\n",
|
||||
" println(list.joinToString())\n",
|
||||
"}\n",
|
||||
"consumeList(mutableList)\n",
|
||||
@ -1859,7 +1918,7 @@
|
||||
{
|
||||
"metadata": {},
|
||||
"cell_type": "code",
|
||||
"source": "listOf(1,2) + listOf(3,4)",
|
||||
"source": "listOf(1, 2) + listOf(3, 4)",
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
@ -1895,7 +1954,6 @@
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"\n",
|
||||
"/**\n",
|
||||
" * This one creates a mutable ArrayList.\n",
|
||||
" */\n",
|
||||
@ -1923,10 +1981,9 @@
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"\n",
|
||||
"//Bonus\n",
|
||||
"\n",
|
||||
"val lambdaList = List(3){ it.toString() }\n",
|
||||
"val lambdaList = List(3) { it.toString() }\n",
|
||||
"println(lambdaList)\n",
|
||||
"\n",
|
||||
"val builderList: List<Int> = buildList {\n",
|
||||
@ -1934,6 +1991,7 @@
|
||||
" add(8)\n",
|
||||
" remove(8)\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
"builderList"
|
||||
],
|
||||
"metadata": {
|
||||
@ -1985,11 +2043,11 @@
|
||||
"/**\n",
|
||||
" * Use shortcut function to provide default values\n",
|
||||
" */\n",
|
||||
"fun doSomething(additionalArguments: List<String> = emptyList()){\n",
|
||||
"fun doSomething(additionalArguments: List<String> = emptyList()) {\n",
|
||||
" TODO()\n",
|
||||
" emptyArray<String>()\n",
|
||||
" emptySet<String>()\n",
|
||||
" emptyMap<String,String>()\n",
|
||||
" emptyMap<String, String>()\n",
|
||||
"}\n",
|
||||
"emptyList<String>()::class"
|
||||
],
|
||||
@ -2055,14 +2113,13 @@
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"\n",
|
||||
"//val entry: MutableMap.MutableEntry<String, String> = map.iterator().next()\n",
|
||||
"\n",
|
||||
"//map.entries.first().component2()\n",
|
||||
"\n",
|
||||
"/**\n",
|
||||
" * The destructuring declaration for maps and other objects that support `operator fun componentN`\n",
|
||||
" */\n",
|
||||
" * The destructuring declaration for maps and other objects that support `operator fun componentN`\n",
|
||||
" */\n",
|
||||
"for ((k: String, v) in map) {\n",
|
||||
"//val (k, v) = entry\n",
|
||||
"// val k = entry.component1()\n",
|
||||
@ -2083,7 +2140,12 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": "map.forEach { (k, v) -> println(\"$k -> $v\")}",
|
||||
"source": [
|
||||
"map.forEach { (k, v) -> println(\"$k -> $v\") }\n",
|
||||
"\n",
|
||||
"// java version\n",
|
||||
"map.forEach { k, v -> println(\"$k -> $v\") }"
|
||||
],
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"node_id": "s1Q65aNWb9YNBZOgxmjotW",
|
||||
@ -2098,12 +2160,11 @@
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"\n",
|
||||
"val (a, b) = Pair(1, 2)\n",
|
||||
"\n",
|
||||
"val coord = doubleArrayOf(0.0, 1.0, 2.0)\n",
|
||||
"\n",
|
||||
"val (x,y,z) = coord\n",
|
||||
"val (x, y, z) = coord\n",
|
||||
"\n",
|
||||
"data class Coordinate(val x: Double, val y: Int)\n",
|
||||
"\n",
|
||||
@ -2140,25 +2201,24 @@
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"class AClassWithList{\n",
|
||||
"class AClassWithList {\n",
|
||||
" var b: Double = 2.0\n",
|
||||
" private set\n",
|
||||
"\n",
|
||||
" init{\n",
|
||||
" init {\n",
|
||||
" b = 5.0\n",
|
||||
" }\n",
|
||||
"\n",
|
||||
" private val _list: MutableList<Int> = ArrayList<Int>()\n",
|
||||
" val list: List<Int> get() = _list\n",
|
||||
" \n",
|
||||
" fun add(int: Int){\n",
|
||||
" require(int>0)\n",
|
||||
"\n",
|
||||
" fun add(int: Int) {\n",
|
||||
" require(int > 0)\n",
|
||||
" _list.add(int)\n",
|
||||
" }\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
"\n",
|
||||
"\n",
|
||||
"val obj = AClassWithList()\n",
|
||||
"\n",
|
||||
"// obj.b = 10.0 //error\n",
|
||||
@ -2178,9 +2238,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "markdown",
|
||||
"source": [
|
||||
"## Wrap mutable logic"
|
||||
],
|
||||
"source": "## Wrap mutable logic / Kotlin builder pattern",
|
||||
"attachments": {},
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
@ -2195,7 +2253,7 @@
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"val list = buildList {\n",
|
||||
" repeat(10){\n",
|
||||
" repeat(10) {\n",
|
||||
" add(it)\n",
|
||||
" }\n",
|
||||
"}\n",
|
||||
@ -2222,11 +2280,11 @@
|
||||
" var a: String = a\n",
|
||||
" var b: String = \"\"\n",
|
||||
" var c = 0\n",
|
||||
" \n",
|
||||
"\n",
|
||||
" fun build() = ImmutableObject(a, b, c)\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
"fun ImmutableObject(a: String, block: ImmutableObjectBuilder.() -> Unit): ImmutableObject =\n",
|
||||
"/*inline*/ fun ImmutableObject(a: String, block: ImmutableObjectBuilder.() -> Unit): ImmutableObject =\n",
|
||||
" ImmutableObjectBuilder(a).apply(block).build()\n",
|
||||
"\n",
|
||||
"ImmutableObject(\"aValue\") {\n",
|
||||
@ -2259,7 +2317,6 @@
|
||||
},
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"\n",
|
||||
"val emailsList = emptyList<String>()\n",
|
||||
"\n",
|
||||
"// When used directly infix in operator checks if the element is contained in a collection\n",
|
||||
@ -2310,7 +2367,6 @@
|
||||
},
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"\n",
|
||||
"// Another (different) use of `in` is iteration over range or collection using\n",
|
||||
"// using `operator fun iterator`\n",
|
||||
"\n",
|
||||
@ -2322,7 +2378,7 @@
|
||||
" println(i)\n",
|
||||
"} //the same, but with boxing\n",
|
||||
"\n",
|
||||
"for (i in 1..<100) {\n",
|
||||
"for (i in 1 ..< 100) {\n",
|
||||
" println(i)\n",
|
||||
"} // half-open range: does not include 100\n",
|
||||
"\n",
|
||||
@ -2345,7 +2401,7 @@
|
||||
" }\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
"for (x in 0.0..10.0 step 0.5){\n",
|
||||
"for (x in 0.0..10.0 step 0.5) {\n",
|
||||
" println(x)\n",
|
||||
"}"
|
||||
],
|
||||
@ -2385,6 +2441,7 @@
|
||||
" //.onEach { println(it) }\n",
|
||||
" //.sumOf { it } //use one of reduce operations\n",
|
||||
" .reduce { acc: Int, i: Int -> acc + i }\n",
|
||||
" //.fold(0.0) { acc: Double, i: Int -> acc + i }\n",
|
||||
"\n",
|
||||
"result"
|
||||
],
|
||||
@ -2404,7 +2461,7 @@
|
||||
"source": [
|
||||
"val sequence = sequence {\n",
|
||||
" var counter = 1\n",
|
||||
" while(true){\n",
|
||||
" while (true) {\n",
|
||||
" yield(counter++)\n",
|
||||
" yield(counter++)\n",
|
||||
" // println(counter)\n",
|
||||
@ -2485,7 +2542,7 @@
|
||||
"}\n",
|
||||
"\n",
|
||||
"data class IntContainer(val arg: Int) {\n",
|
||||
" \n",
|
||||
"\n",
|
||||
" companion object : Factory<IntContainer> {\n",
|
||||
" override fun build(str: String) = IntContainer(str.toInt())\n",
|
||||
"\n",
|
||||
@ -2494,7 +2551,7 @@
|
||||
"}\n",
|
||||
"\n",
|
||||
"data class DoubleContainer(val arg: Double) {\n",
|
||||
" \n",
|
||||
"\n",
|
||||
" companion object : Factory<DoubleContainer> {\n",
|
||||
" override fun build(str: String) = DoubleContainer(str.toDouble())\n",
|
||||
" }\n",
|
||||
@ -2534,8 +2591,7 @@
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"\n",
|
||||
"open class Bad{\n",
|
||||
"open class Bad {\n",
|
||||
" val value: Int = requestValue()\n",
|
||||
"\n",
|
||||
" open fun requestValue(): Int {\n",
|
||||
@ -2543,7 +2599,7 @@
|
||||
" return 2\n",
|
||||
" }\n",
|
||||
"\n",
|
||||
" private fun doSomethingElse(){\n",
|
||||
" private fun doSomethingElse() {\n",
|
||||
" println(value)\n",
|
||||
" }\n",
|
||||
"}\n",
|
||||
@ -2565,7 +2621,7 @@
|
||||
"metadata": {},
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"class BadString{\n",
|
||||
"class BadString {\n",
|
||||
" val value: String = requestValue()\n",
|
||||
"\n",
|
||||
" fun requestValue(): String {\n",
|
||||
@ -2573,7 +2629,7 @@
|
||||
" return \"2\"\n",
|
||||
" }\n",
|
||||
"\n",
|
||||
" private fun doSomethingElse(){\n",
|
||||
" private fun doSomethingElse() {\n",
|
||||
" println(value)\n",
|
||||
" }\n",
|
||||
"}\n",
|
||||
@ -2586,11 +2642,9 @@
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"\n",
|
||||
"\n",
|
||||
"//Factory functions are preferred to the initialization logic\n",
|
||||
"\n",
|
||||
"data class Good internal constructor(val value: Int){\n",
|
||||
"data class Good internal constructor(val value: Int) {\n",
|
||||
" init {\n",
|
||||
" //Initialization block is there to check arguments\n",
|
||||
" require(value >= 0)\n",
|
||||
@ -2599,11 +2653,10 @@
|
||||
" companion object\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
"fun requestValue(): Int = TODO()\n",
|
||||
"private fun requestValue(): Int = TODO()\n",
|
||||
"\n",
|
||||
"// This is the factory-function\n",
|
||||
"fun Good() = Good(requestValue())\n",
|
||||
"\n",
|
||||
"fun Good(): Good = Good(requestValue())\n",
|
||||
"\n",
|
||||
"// additional constructor-like builders could be added to the companion\n",
|
||||
"\n",
|
||||
@ -2641,7 +2694,7 @@
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"class ClassWithALazyProperty{\n",
|
||||
"class ClassWithALazyProperty {\n",
|
||||
" //Use lazy delegate for something that should be calculated ones on first call\n",
|
||||
" val lazyValue by lazy {\n",
|
||||
" //Do dome heavy logic here\n",
|
||||
@ -2649,16 +2702,18 @@
|
||||
" 22\n",
|
||||
" }\n",
|
||||
"\n",
|
||||
" val getterValue: Int get(){\n",
|
||||
" println(\"got\")\n",
|
||||
" return 33\n",
|
||||
" }\n",
|
||||
" val getterValue: Int\n",
|
||||
" get() {\n",
|
||||
" println(\"got\")\n",
|
||||
" return 33\n",
|
||||
" }\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
"val lazyClass = ClassWithALazyProperty()\n",
|
||||
"lazyClass.lazyValue\n",
|
||||
"lazyClass.lazyValue\n",
|
||||
"lazyClass.getterValue\n",
|
||||
"lazyClass.getterValue"
|
||||
"println(lazyClass.lazyValue)\n",
|
||||
"println(lazyClass.lazyValue)\n",
|
||||
"println(lazyClass.getterValue)\n",
|
||||
"println(lazyClass.getterValue)"
|
||||
],
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
@ -2674,7 +2729,6 @@
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"\n",
|
||||
"//Using other delegates\n",
|
||||
"val map = mutableMapOf(\"a\" to 1, \"b\" to 2)\n",
|
||||
"\n",
|
||||
@ -2713,7 +2767,6 @@
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"\n",
|
||||
"/**\n",
|
||||
" * Definition of inline function\n",
|
||||
" */\n",
|
||||
@ -2749,7 +2802,6 @@
|
||||
{
|
||||
"cell_type": "code",
|
||||
"source": [
|
||||
"\n",
|
||||
"/**\n",
|
||||
" * Using inline function for type reification during the compile time\n",
|
||||
" */\n",
|
||||
|
||||
@ -2,7 +2,6 @@
|
||||
"cells": [
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -11,10 +10,11 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"%use coroutines"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"cell_type": "markdown",
|
||||
@ -40,7 +40,6 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -49,16 +48,16 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"repeat(10){\n",
|
||||
" println(\"Line number $it\")\n",
|
||||
"}"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -67,12 +66,13 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"import java.util.stream.*\n",
|
||||
"\n",
|
||||
"IntStream.range(0, 100).sum()"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"attachments": {},
|
||||
@ -91,7 +91,6 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 1,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -100,64 +99,18 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"outputs": [
|
||||
{
|
||||
"name": "stderr",
|
||||
"output_type": "stream",
|
||||
"text": [
|
||||
"null\n",
|
||||
"java.util.ConcurrentModificationException\n",
|
||||
"\tat java.base/java.util.ArrayList$Itr.checkForComodification(ArrayList.java:1095)\n",
|
||||
"\tat java.base/java.util.ArrayList$Itr.next(ArrayList.java:1049)\n",
|
||||
"\tat Line_0_jupyter.<init>(Line_0.jupyter.kts:6)\n",
|
||||
"\tat java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62)\n",
|
||||
"\tat java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502)\n",
|
||||
"\tat java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)\n",
|
||||
"\tat kotlin.script.experimental.jvm.BasicJvmScriptEvaluator.evalWithConfigAndOtherScriptsResults(BasicJvmScriptEvaluator.kt:122)\n",
|
||||
"\tat kotlin.script.experimental.jvm.BasicJvmScriptEvaluator.invoke$suspendImpl(BasicJvmScriptEvaluator.kt:48)\n",
|
||||
"\tat kotlin.script.experimental.jvm.BasicJvmScriptEvaluator.invoke(BasicJvmScriptEvaluator.kt)\n",
|
||||
"\tat kotlin.script.experimental.jvm.BasicJvmReplEvaluator.eval(BasicJvmReplEvaluator.kt:49)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.InternalEvaluatorImpl$eval$resultWithDiagnostics$1.invokeSuspend(InternalEvaluatorImpl.kt:127)\n",
|
||||
"\tat kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)\n",
|
||||
"\tat kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:104)\n",
|
||||
"\tat kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:277)\n",
|
||||
"\tat kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:95)\n",
|
||||
"\tat kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:69)\n",
|
||||
"\tat kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source)\n",
|
||||
"\tat kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking$default(Builders.kt:48)\n",
|
||||
"\tat kotlinx.coroutines.BuildersKt.runBlocking$default(Unknown Source)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.InternalEvaluatorImpl.eval(InternalEvaluatorImpl.kt:127)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.CellExecutorImpl$execute$1$result$1.invoke(CellExecutorImpl.kt:79)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.CellExecutorImpl$execute$1$result$1.invoke(CellExecutorImpl.kt:77)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl.withHost(ReplForJupyterImpl.kt:758)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.CellExecutorImpl.execute(CellExecutorImpl.kt:77)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.repl.execution.CellExecutor$DefaultImpls.execute$default(CellExecutor.kt:12)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl.evaluateUserCode(ReplForJupyterImpl.kt:581)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl.access$evaluateUserCode(ReplForJupyterImpl.kt:136)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl$evalEx$1.invoke(ReplForJupyterImpl.kt:439)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl$evalEx$1.invoke(ReplForJupyterImpl.kt:436)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl.withEvalContext(ReplForJupyterImpl.kt:417)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.repl.impl.ReplForJupyterImpl.evalEx(ReplForJupyterImpl.kt:436)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.messaging.IdeCompatibleMessageRequestProcessor$processExecuteRequest$1$response$1$1.invoke(IdeCompatibleMessageRequestProcessor.kt:140)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.messaging.IdeCompatibleMessageRequestProcessor$processExecuteRequest$1$response$1$1.invoke(IdeCompatibleMessageRequestProcessor.kt:139)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.execution.JupyterExecutorImpl$Task.execute(JupyterExecutorImpl.kt:42)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.execution.JupyterExecutorImpl$executorThread$1.invoke(JupyterExecutorImpl.kt:82)\n",
|
||||
"\tat org.jetbrains.kotlinx.jupyter.execution.JupyterExecutorImpl$executorThread$1.invoke(JupyterExecutorImpl.kt:80)\n",
|
||||
"\tat kotlin.concurrent.ThreadsKt$thread$thread$1.run(Thread.kt:30)\n"
|
||||
]
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"val list = (0..100).toMutableList()\n",
|
||||
"\n",
|
||||
"list.forEach {\n",
|
||||
" if(it % 2 == 0) list.remove(it)\n",
|
||||
"}"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -166,8 +119,9 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"source": [],
|
||||
"outputs": [],
|
||||
"source": []
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"attachments": {},
|
||||
@ -186,7 +140,6 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -195,16 +148,16 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"val sum = IntStream.range(0, 100).parallel().sum()\n",
|
||||
"\n",
|
||||
"println(sum)"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -213,8 +166,9 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"source": [],
|
||||
"outputs": [],
|
||||
"source": []
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"attachments": {},
|
||||
@ -233,7 +187,6 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -242,18 +195,18 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"fun runLongTask(result: Int = 8): Int {\n",
|
||||
" Thread.sleep(100)\n",
|
||||
" println(\"Task complete: $result\")\n",
|
||||
" return result\n",
|
||||
"}"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -262,7 +215,6 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"import java.util.concurrent.*\n",
|
||||
"\n",
|
||||
@ -275,7 +227,9 @@
|
||||
"}\n",
|
||||
"\n",
|
||||
"future.get()"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"attachments": {},
|
||||
@ -294,7 +248,6 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -303,18 +256,18 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"interface Observable{\n",
|
||||
" fun onChange(callback: (Int) -> Unit)\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
"val observable: Observable by lazy{ TODO() }"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -323,14 +276,15 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"val list: MutableList<Int> = mutableListOf<Int>()\n",
|
||||
"\n",
|
||||
"observable.onChange { \n",
|
||||
" list.add(it)\n",
|
||||
"}"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"attachments": {},
|
||||
@ -349,7 +303,6 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -358,12 +311,12 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"source": [],
|
||||
"outputs": [],
|
||||
"source": []
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -372,7 +325,6 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"val executor: ExecutorService = Executors.newFixedThreadPool(4)\n",
|
||||
"\n",
|
||||
@ -381,7 +333,9 @@
|
||||
" runLongTask(it)\n",
|
||||
" }\n",
|
||||
"}"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"attachments": {},
|
||||
@ -400,7 +354,6 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -409,7 +362,6 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"import kotlin.io.path.Path\n",
|
||||
"import kotlin.io.path.writeText\n",
|
||||
@ -423,7 +375,9 @@
|
||||
" .forEach { \n",
|
||||
" file.writeText(it)\n",
|
||||
" }"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"attachments": {},
|
||||
@ -442,7 +396,6 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -451,7 +404,6 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"val cache = mutableMapOf<Int, Int>\n",
|
||||
"\n",
|
||||
@ -466,7 +418,9 @@
|
||||
" consumer(result)\n",
|
||||
" }\n",
|
||||
"}"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"attachments": {},
|
||||
@ -500,7 +454,6 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -509,7 +462,6 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"import kotlin.concurrent.*\n",
|
||||
"\n",
|
||||
@ -517,11 +469,12 @@
|
||||
" runLongTask()\n",
|
||||
"}\n",
|
||||
"t.join()"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -530,8 +483,9 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"source": [],
|
||||
"outputs": [],
|
||||
"source": []
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"attachments": {},
|
||||
@ -550,7 +504,6 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -559,7 +512,6 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"val future = executor.submit<Int>{\n",
|
||||
" runLongTask()\n",
|
||||
@ -567,7 +519,9 @@
|
||||
"\n",
|
||||
"future.get()\n",
|
||||
"future.cancel(true)"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"attachments": {},
|
||||
@ -586,7 +540,6 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -595,7 +548,6 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"import java.util.concurrent.*\n",
|
||||
"\n",
|
||||
@ -613,7 +565,9 @@
|
||||
"\n",
|
||||
"cf2.join()\n",
|
||||
"cf3.join()"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"attachments": {},
|
||||
@ -632,7 +586,6 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -641,7 +594,6 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"import java.util.concurrent.locks.*\n",
|
||||
"\n",
|
||||
@ -666,7 +618,9 @@
|
||||
"cf5.join()\n",
|
||||
"\n",
|
||||
"list"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"cell_type": "markdown",
|
||||
@ -677,9 +631,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"class A(val value: Int)\n",
|
||||
"class B(val value: Int)\n",
|
||||
@ -690,7 +642,9 @@
|
||||
"val combined = aFlow.zip(bFlow){ a, b->\n",
|
||||
" a.value + b.value\n",
|
||||
"}.debounce(2.seconds)"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"cell_type": "markdown",
|
||||
@ -701,9 +655,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"sealed class Event {\n",
|
||||
" class Open(val transactionId: Int): Event()\n",
|
||||
@ -732,7 +684,9 @@
|
||||
" }\n",
|
||||
"\n",
|
||||
"}"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"attachments": {},
|
||||
@ -766,7 +720,6 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -775,7 +728,6 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"import java.net.*\n",
|
||||
"import java.net.http.*\n",
|
||||
@ -807,7 +759,9 @@
|
||||
" }\n",
|
||||
" .thenAccept{ println(it.toList()) }\n",
|
||||
" .join()"
|
||||
]
|
||||
],
|
||||
"outputs": [],
|
||||
"execution_count": null
|
||||
},
|
||||
{
|
||||
"attachments": {},
|
||||
@ -826,7 +780,6 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"metadata": {
|
||||
"datalore": {
|
||||
"hide_input_from_viewers": true,
|
||||
@ -835,8 +788,9 @@
|
||||
"type": "CODE"
|
||||
}
|
||||
},
|
||||
"source": [],
|
||||
"outputs": [],
|
||||
"source": []
|
||||
"execution_count": null
|
||||
}
|
||||
],
|
||||
"metadata": {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user