From: Paul Lutus <nospam@...>
Date: 2006-10-06T04:20:22+09:00
Subject: Re: question mark at end of method name

py wrote:

> what does the question mark at the end of a method name represent?
> 
> for example:
> 
> x = "something"
> break if x.empty?
> 
> i've seen what ! does....what is ?

.empty? means "is it empty?". It tries to suggest that a question is being
asked. It's unfortunate that the "!" syntax, which seems similar, actually
means "apply the result to the present object."

-- 
Paul Lutus
http://www.arachnoid.com