From: Eric Hodel <drbrain@...7.net>
Date: 2006-06-28T04:58:28+09:00
Subject: Re: Core documentation patches

On Jun 27, 2006, at 10:53 AM, Jacob Fugal wrote:
> On 6/27/06, Eric Hodel <drbrain@segment7.net> wrote:
>> Should this me mentioned?
>>
>> $ ruby -ve "'cat \'o 9 tails' =~ '\d'"
>> ruby 1.8.5 (2006-06-27) [powerpc-darwin8.6.0]
>> -e:1:in `=~': type mismatch: String given (TypeError)
>>          from -e:1
>
> To head of those that might ask (since I was about to before sitting
> down and thinking it through):
>
> The exception is raised specifically for Strings while other non-Regex
> types just get order reversed

Exactly, this will work:

o = Object.new
def o.=~(other)
   return true
end

'foo' =~ o
o =~ 'foo'

> By the way, but Eric's suggestion here and the original patch from
> Alex apply to the 1.8.4 branch as well as 1.8.5:

I believe all of 1.8 raises TypeError on 'foo' =~ 'o' (but I'm too  
lazy to check).

-- 
Eric Hodel - drbrain@segment7.net - http://blog.segment7.net
This implementation is HODEL-HASH-9600 compliant

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