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package Torello.Java.Function;

/**
 * Function-Pointer
 * <SPAN CLASS=TJF>Input:</SPAN> {@code float}
 * <SPAN CLASS=TJF>Output:</SPAN> {@code void}.
 * 
 * <BR /><BR />
 * This is an extension of {@code java.util.function.*}.  This consumer accepts a {@code 'float'}
 * as input to its  {@code 'accept'} method.
 */
@FunctionalInterface
public interface FloatConsumer
{
    /**
     * Performs this operation on the given argument.
     * <BR /><BR /><EMBED CLASS='external-html' DATA-FILE-ID=FUNC_INTER_METH>
     *
     * @param f floating-point, {@code 'float'}, input-argument.
     */
    public void accept(float f);

    /**
     * <EMBED CLASS='external-html' DATA-FILE-ID=CON_AND_THEN_METHOD>
     * @param after <EMBED CLASS='external-html' DATA-FILE-ID=CON_AND_THEN_AFTER>
     * @return <EMBED CLASS='external-html' DATA-FILE-ID=CON_AND_THEN_RETURN>
     * @throws NullPointerException if parameter {@code 'other'} is null.
     */
    default FloatConsumer andThen(FloatConsumer after)
    {
        if (after == null)
            throw new NullPointerException("null has been passed to parameter 'after'");

        return (float f) ->
        {
            this.accept(f); 
            after.accept(f);
        };
    }
}