From: Daniel Berger <djberg96@...>
Date: 2007-10-16T20:10:17+09:00
Subject: Re: how to ignore warning

Bertram Scharpf wrote:
> Hi,
> 
> Am Donnerstag, 11. Okt 2007, 19:22:31 +0900 schrieb Wolfgang N�dasi-Donner:
>> Alex Gutteridge wrote:
>>> -W is the command line flag you want. -W1 is standard, -
>>> W2 is verbose, -W0 is no warnings whatsoever.
>> Is there a possibility to ignore warnings dynamically? - I mean, 
>> sometimes it's helpful to redefine constants, which will always produce 
>> a warning. I want to suppress warnings for these lines only.
> 
> 
>   irb(main):001:0> X = "x"
>   => "x"
>   irb(main):002:0> class Object ; remove_const :X ; end
>   => "x"
>   irb(main):003:0> X
>   NameError: uninitialized constant X
>           from (irb):3
>   irb(main):004:0> X = "y"
>   => "y"
>   irb(main):005:0>

Yuck.

I've pushed for structured warnings in the past, but it has fallen on 
deaf ears.

See:

http://osdir.com/ml/lang.ruby.sydney.devel/2005-10/msg00009.html
http://osdir.com/ml/lang.ruby.sydney.devel/2005-10/msg00010.html
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/50105

Regards,

Dan