Package org.apache.commons.lang3.function

Interface FailableToLongFunction<T,E extends Throwable>

Type Parameters:
T - the type of the first 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 FailableToLongFunction<T,E extends Throwable>
A functional interface like ToLongFunction that declares a Throwable.
Since:
3.11

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final FailableToLongFunction
    NOP
    NOP singleton

  • Method Summary

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

  • Field Details

  • Method Details

    • nop

      static <T, E extends Throwable> FailableToLongFunction<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.

    • applyAsLong

      long applyAsLong(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.