Added in API level 24

DoubleToLongFunction

@FunctionalInterface interface DoubleToLongFunction
java.util.function.DoubleToLongFunction

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

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

Summary

Public methods
abstract Long

Applies this function to the given argument.

Public methods

applyAsLong

Added in API level 24
abstract fun applyAsLong(value: Double): Long

Applies this function to the given argument.

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