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Workaround for https://youtrack.jetbrains.com/issue/KT-40121

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This commit is contained in:
Alexander Nozik 2020-11-28 19:46:51 +03:00
parent a8329b2ed2
commit c21e761a76
1 changed files with 11 additions and 3 deletions
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14
kmath-core/src/commonMain/kotlin/kscience/kmath/expressions/Expression.kt
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@ -3,6 +3,7 @@ package kscience.kmath.expressions
import kscience.kmath.operations.Algebra
import kotlin.jvm.JvmName
import kotlin.properties.ReadOnlyProperty
import kotlin.reflect.KProperty
/**
* A marker interface for a symbol. A symbol mus have an identity
@ -12,6 +13,13 @@ public interface Symbol {
* Identity object for the symbol. Two symbols with the same identity are considered to be the same symbol.
*/
public val identity: String
public companion object : ReadOnlyProperty<Any?, Symbol> {
//TODO deprecate and replace by top level function after fix of https://youtrack.jetbrains.com/issue/KT-40121
override fun getValue(thisRef: Any?, property: KProperty<*>): Symbol {
return StringSymbol(property.name)
}
}
}
/**
@ -95,9 +103,9 @@ public fun <T, E> ExpressionAlgebra<T, E>.bind(symbol: Symbol): E =
/**
* A delegate to create a symbol with a string identity in this scope
*/
public val symbol: ReadOnlyProperty<Any?, StringSymbol> = ReadOnlyProperty { _, property ->
StringSymbol(property.name)
}
public val symbol: ReadOnlyProperty<Any?, Symbol> get() = Symbol
//TODO does not work directly on native due to https://youtrack.jetbrains.com/issue/KT-40121
/**
* Bind a symbol by name inside the [ExpressionAlgebra]