From: Nobuyoshi Nakada <nobu@...>
Date: 2008-09-29T12:41:49+09:00
Subject: Re: irb: 1 & 1 => 1, not true    huh?  I thought 1 & 1 => true

Hi,

At Mon, 29 Sep 2008 06:19:01 +0900,
Peter Alvin wrote in [ruby-talk:316270]:
> puts 1 & 1
> and get 1
> shouldn't I get true?

No.  If it were, bit AND operation would be unavailable.

> if session[:permissions] & Permissions::SomeMask ==
> Permissions::SomeMask

  if (session[:permissions] & Permissions::SomeMask).nonzero?

-- 
Nobu Nakada