From: ptkwt@...1.aracnet.com (Phil Tomson)
Date: 2002-02-23T07:40:35+09:00
Subject: Re: overriding operator 'or'

In article <a56b1s030fp@enews4.newsguy.com>,
Phil Tomson <ptkwt@shell1.aracnet.com> wrote:
>According to "Ruby in a Nutshell" pg 18, 'or' is a nonmethod operator 
>which cannot be overridden.  However, it seems that I CAN override the 
>'or' operator:
>
>irb(main):001:0> class Foo
>irb(main):002:1>   def initialize(value)
>irb(main):003:2>     @value = value
>irb(main):004:2>   end
>irb(main):005:1>   def or(other)
>irb(main):006:2>     @value or other
>irb(main):007:2>   end
>irb(main):008:1> end
>nil
>irb(main):009:0> myfoo = Foo.new(1)
>#<Foo:0x40202290  @value=1>
>irb(main):012:0> p myfoo or 0
>#<Foo:0x40202290  @value=1>
>0
>

A little more investigation reveals that 'or' was not really overridden in 
the code above.  The original 'or' is still being called.

Phil