Package org.apache.commons.lang3.function

Interface FailableToDoubleBiFunction<T,U,E extends java.lang.Throwable>

Type Parameters:

T - the type of the first argument to the function

U - the type of the second argument to the function

E - Thrown exception.

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 FailableToDoubleBiFunction<T,U,E extends java.lang.Throwable>

A functional interface like ToDoubleBiFunction that declares a Throwable.

Since:

3.11

Field Summary

Fields

Modifier and Type	Field	Description
static FailableToDoubleBiFunction	NOP	NOP singleton

Method Summary

Modifier and Type	Method	Description
double	applyAsDouble(T t, U u)	Applies this function to the given arguments.
static <T,U,E extends java.lang.Throwable> FailableToDoubleBiFunction<T,U,E>	nop()	Returns The NOP singleton.

Field Detail

NOP

static final FailableToDoubleBiFunction NOP

NOP singleton

Method Detail

nop

static <T,U,E extends java.lang.Throwable> FailableToDoubleBiFunction<T,U,E> nop()

Returns The NOP singleton.

Type Parameters:

T - the type of the first argument to the function

U - the type of the second argument to the function

E - Thrown exception.

Returns:

The NOP singleton.

applyAsDouble

double applyAsDouble(T t,
                     U u)
              throws E extends java.lang.Throwable

Applies this function to the given arguments.

Parameters:

t - the first function argument

u - the second function argument

Returns:

the function result

Throws:

E - Thrown when the function fails.

E extends java.lang.Throwable