Added in API level 24

ToDoubleFunction

@FunctionalInterface interface ToDoubleFunction<T : Any!>
java.util.function.ToDoubleFunction

Represents a function that produces a double-valued result. This is the double-producing primitive specialization for Function.

This is a functional interface whose functional method is applyAsDouble(java.lang.Object).

Summary

Public methods
abstract Double
applyAsDouble(value: T)

Applies this function to the given argument.

Public methods

applyAsDouble

Added in API level 24
abstract fun applyAsDouble(value: T): Double

Applies this function to the given argument.

Parameters
value T: the function argument
Return
Double the function result