# Uses of Interface
org.apache.commons.lang3.function.FailableDoubleFunction

Packages that use FailableDoubleFunction
Package
Description
org.apache.commons.lang3.function
Provides functional interfaces to complement those in `java.lang.function` and utilities for working with Java 8 lambdas.

- ## Uses of FailableDoubleFunction in org.apache.commons.lang3.function

  Fields in org.apache.commons.lang3.function declared as FailableDoubleFunction
  Modifier and Type
  Field
  Description
  `static final FailableDoubleFunction`
  FailableDoubleFunction.`NOP`
  NOP singleton
  Methods in org.apache.commons.lang3.function that return FailableDoubleFunction
  Modifier and Type
  Method
  Description
  `static <R, E extends Throwable>
  FailableDoubleFunction<R,E>`
  FailableDoubleFunction.`nop()`
  Returns The NOP singleton.