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

Packages that use FailableToLongFunction
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 FailableToLongFunction in org.apache.commons.lang3.function

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