org.apache.commons.lang3.function

Interface FailableToDoubleFunction<T,E extends java.lang.Throwable>

Type Parameters:

T - the type of the argument to the function

E - The kind of thrown exception or error.

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 FailableToDoubleFunction<T,E extends java.lang.Throwable>

A functional interface like ToDoubleFunction that declares a Throwable.

Since:

3.11

Field Summary

Fields

Modifier and Type	Field and Description
static FailableToDoubleFunction	NOP NOP singleton

Method Summary

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

Field Detail

NOP

static final FailableToDoubleFunction NOP

NOP singleton

Method Detail

nop

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

Returns The NOP singleton.

Type Parameters:

T - the type of the argument to the function

E - The kind of thrown exception or error.

Returns:

The NOP singleton.

applyAsDouble

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

Applies this function to the given arguments.

Parameters:

t - the first function argument

Returns:

the function result

Throws:

E - Thrown when the function fails.

E extends java.lang.Throwable