Package org.apache.commons.lang3.function

Interface FailableDoubleFunction<R,E extends Throwable>

Type Parameters:
R - Return type.
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 FailableDoubleFunction<R,E extends Throwable>
A functional interface like DoubleFunction that declares a Throwable.
Since:
3.11

  • Field Summary

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

  • Method Summary

    Modifier and Type
    Method
    Description
    R
    apply(double input)
    Applies this function.
    static <R, E extends Throwable>
    FailableDoubleFunction<R,E>
    nop()
    Returns The NOP singleton.

  • Field Details

  • Method Details

    • nop

      static <R, E extends Throwable> FailableDoubleFunction<R,E> nop()
      Returns The NOP singleton.
      Type Parameters:
      R - Return type.
      E - The kind of thrown exception or error.
      Returns:
      The NOP singleton.

    • apply

      R apply(double input) throws E
      Applies this function.
      Parameters:
      input - the input for the function
      Returns:
      the result of the function
      Throws:
      E - Thrown when the function fails.