Added in API level 24

DoubleFunction

@FunctionalInterface interface DoubleFunction<R : Any!>
java.util.function.DoubleFunction

Represents a function that accepts a double-valued argument and produces a result. This is the double-consuming primitive specialization for Function.

This is a functional interface whose functional method is apply(double).

Summary

Public methods
abstract R
apply(value: Double)

Applies this function to the given argument.

Public methods

apply

Added in API level 24
abstract fun apply(value: Double): R

Applies this function to the given argument.

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