added in API level 24

ToLongFunction

public interface ToLongFunction

java.util.function.ToLongFunction<T>

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

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

See also:

Summary

Public methods
`abstract long`	`applyAsLong(T value)` Applies this function to the given argument.

added in API level 24

public abstract long applyAsLong (T value)

Applies this function to the given argument.

Parameters
`value`	`T`: the function argument

Returns
`long`	the function result