Ornot/src/main/java/com/softwaresmyth/functions/OrNot.java

package com.softwaresmyth.functions;

import java.util.Optional;

/**
 * Utility class holding the library's methods.
 */
public enum OrNot
{
    ; // Enum with no variants for a utility class that is not meant to be instantiated.

    /**
     * Method that does nothing.
     * It fits any method signature that returns void.
     */
    public static void noop(Object... ignored)
    {
        //do nothing
    }

    /**
     * Method that does nothing.
     * It fits any method signature that does not return void.
     */
    public static <T> T returnNull(Object... ignored)
    {
        return null;
    }

    /**
     * Method that does nothing.
     * It fits any method signature that returns {@link Optional} for any type.
     */
    public static <T> Optional<T> returnEmpty(Object... ignored)
    {
        return Optional.empty();
    }
}