From: AoP <jimmy.tharpe@...>
Date: 2008-01-21T03:54:58+09:00
Subject: Re: Newbie Question about Array#include?

> question mark, instead, is used for methods which express a predicate or, in
> other words, which answer a question (for example, Array#include? answers the
> question 'does the array contain this item?')


Thank you!