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# ToLongBiFunction

`public interface ToLongBiFunction`
``

java.util.function.ToLongBiFunction<T, U>

Represents a function that accepts two arguments and produces a long-valued result. This is the `long`-producing primitive specialization for `BiFunction`.

This is a functional interface whose functional method is `applyAsLong(java.lang.Object, java.lang.Object)`.

See also:

- `BiFunction`

## Summary

### Public methods
`abstract long` | `applyAsLong(T t, U u)` Applies this function to the given arguments.

## Public methods

### applyAsLong

    public abstract long applyAsLong (T t,
                    U u)

Applies this function to the given arguments.

Parameters
`t` | `T`: the first function argument
`u` | `U`: the second function argument

Returns
`long` | the function result

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