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Groups > comp.lang.ruby > #2213

Re: Using variables in modules

From Stefan Salewski <mail@ssalewski.de>
Newsgroups comp.lang.ruby
Subject Re: Using variables in modules
Date 2011-04-03 15:29 -0500
Organization Service de news de lacave.net
Message-ID <1301862550.2788.4.camel@AMD64X2.fritz.box> (permalink)
References <1301790250.3173.40.camel@AMD64X2.fritz.box> <20110403103615.1068791b@user-GA-MA785GM-US2H>

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On Mon, 2011-04-04 at 02:37 +0900, spiralofhope wrote:

> You're not defining a variable.  You're defining a constant with the
> capital G.  Use lowercases and this should work just fine.
> 

I know.

Please note that lower case letter will not work in this context:

module Gravity
g = 9.81 
end
puts Gravity::g
Gravity::g = 9.8102
puts Gravity::g

>iii.rb:4: undefined method `g' for Gravity:Module (NoMethodError)

Brian Candler and Stefano Crocco already answered my question, thanks.

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Thread

Using variables in modules Stefan Salewski <mail@ssalewski.de> - 2011-04-02 19:30 -0500
  Re: Using variables in modules Stefan Salewski <mail@ssalewski.de> - 2011-04-02 19:57 -0500
    Re: Using variables in modules Stefano Crocco <stefano.crocco@alice.it> - 2011-04-03 01:39 -0500
  Re: Using variables in modules Brian Candler <b.candler@pobox.com> - 2011-04-03 02:55 -0500
  Re: Using variables in modules spiralofhope <spiralofhope_rubyml@lavabit.com> - 2011-04-03 12:37 -0500
    Re: Using variables in modules Stefan Salewski <mail@ssalewski.de> - 2011-04-03 15:29 -0500
    Re: Using variables in modules Brian Candler <b.candler@pobox.com> - 2011-04-03 15:30 -0500

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