Added in API level 24
    ToLongBiFunction
@FunctionalInterface interface ToLongBiFunction<T : Any!, U : Any!>
| java.util.function.ToLongBiFunction | 
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).
Summary
| Public methods | |
|---|---|
| abstract Long | 
            applyAsLong(t: T, u: U)Applies this function to the given arguments.  | 
        
Public methods
applyAsLong
Added in API level 24
      abstract fun applyAsLong(
t: T,
u: U
): Long
Applies this function to the given arguments.
| Parameters | |
|---|---|
t | 
            T: the first function argument | 
u | 
            U: the second function argument | 
| Return | |
|---|---|
Long | 
            the function result |