Expression

fun fun interface Expression<T>

An elementary function that could be invoked on a map of arguments.

Parameters

the type this expression takes as argument and returns.

invoke

common

abstract operator fun invoke(arguments: Map<Symbol, T>): T

Calls this expression from arguments.

DifferentiableExpression

invoke

common

operator fun <T> Expression<T>.invoke(): T

Calls this expression without providing any arguments.

@JvmName(name = callBySymbol)

operator fun <T> Expression<T>.invoke(vararg pairs: Pair<Symbol, T>): T

Calls this expression from arguments.

@JvmName(name = callByString)

operator fun <T> Expression<T>.invoke(vararg pairs: Pair<String, T>): T

Calls this expression from arguments.

common source