From: mental@...
Date: 2006-02-09T01:45:22+09:00
Subject: Re: boolean annoyance

Quoting Claudio Jeker <cjeker@diehard.n-r-g.com>:

> IMO if it looks like a boolean expression it should act like a
> boolean expression.

That's the point, isn't it?  0 isn't a boolean value.

You typically only see 0 -> false equivalences in languages that
don't have a distinct boolean type (C, Perl, etc...).  Ruby's not
one of those.

> Why can't there be a to_bool converter for all numerical Classes?

There is one; it's just called #nonzero? instead of #to_bool:

 if ( flags & 0x01 ).nonzero?
  ...
 end

-mental