java.util.function

Interface ToLongFunction<T>

Type Parameters:

T - the type of the input to the function

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface 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).

Since:

1.8

See Also:

Function

Method Summary

Modifier and Type	Method and Description
long	applyAsLong(T value) Applies this function to the given argument.

Method Detail

applyAsLong

long applyAsLong(T value)

Applies this function to the given argument.

Parameters:

value - the function argument

Returns:

the function result