Package org.apache.commons.lang3.function

# Interface FailableToDoubleFunction<T,E extends 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 Throwable>
A functional interface like `ToDoubleFunction` that declares a `Throwable`.

Since:
  3.11

- ## Field Summary

  Fields
  Modifier and Type
  Field
  Description
  `static final FailableToDoubleFunction`
  `NOP`
  NOP singleton

- ## Method Summary

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

- ## Field Details

  - ### NOP

    static final FailableToDoubleFunction NOP
    NOP singleton

- ## Method Details

  - ### nop

    static <T, E extends 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
    Applies this function to the given arguments.
    Parameters:
      `t` - the first function argument
    Returns:
      the function result
    Throws:
      `E` - Thrown when the function fails.