On Thu, Aug 16, 2012 at 2:16 PM, Ronnie Aa <[email protected]> wrote:
> I have this:
>
> class Fixnum
> def times_print(str)
> times { puts str }
> end
> end
>
> module Bb
> def self.test
> 10.times_print('foo')
> end
> test
> end
>
> It works..
>
> But if some other .rb uses the same name for its Fixnum class extension,
> including different methods, there will be collision ??
Yes. And with that you have exactly nailed one of the major reasons
why your change is not a good idea. :-) There are actually more
reasons, e.g. that a number has no job in containing printing methods.
> So I tried to wrap my class extension in a module like this:
>
>
> module Aa
> class Fixnum
> def times_print(str)
> times { puts str }
> end
> end
> end
Here you create a new class ::Aa::Fixnum which is totally unrelated to
::Fixnum...
> module Bb
> include Aa
> def self.test
>
> 10.times_print('foo')
> end
> test
> end
>
> The class-extention in module Bb does not work, how do I solve this>??
... which you now discovered. :-)
Just do
10.times { print 'foo' }
Kind regards
robert
--
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/
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