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.

Public methods

applyAsLong

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