Package org.apache.commons.lang3.function

Interface FailableToBooleanFunction<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 FailableToBooleanFunction<T,E extends Throwable>
A functional interface like a ToBooleanFunction that declares a Throwable.
Since:
3.18

  • Field Details Link icon

  • Method Details Link icon

    • nop Link icon

      static <T, E extends Throwable> FailableToBooleanFunction<T,E> nop()
      Gets 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.

    • applyAsBoolean Link icon

      boolean applyAsBoolean(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.