From: "Ara.T.Howard" <ahoward@...>
Date: 2004-01-22T04:54:59+09:00
Subject: Re: Modules as namespace

On Thu, 22 Jan 2004, Yukihiro Matsumoto wrote:

> Date: Thu, 22 Jan 2004 03:31:05 +0900
> From: Yukihiro Matsumoto <matz@ruby-lang.org>
> Newsgroups: comp.lang.ruby
> Subject: Re: Modules as namespace
> 
> Hi,
> 
> In message "Re: Modules as namespace"
>     on 04/01/22, Hal Fulton <hal9000@hypermetrics.com> writes:
> 
> |Second of all, I think you need parens because of a
> |precedence issue:
> |
> |   foo = (My::Little::Namespace::Foo).new?
> 
> No, parens are not required.  Ruby parser is smart enough to read your
> intention (this case at least).
> 
> 							matz.

really?  what am i missing?

  ~ > cat foo.rb

  attempts =

    lambda do
      module A::B::C
        class Foo; end
      end
      A::B::C::Foo.new
    end, 

    lambda do
      module A
        module B
          module C
            class Foo; end
          end
        end
      end
      A::B::C::Foo.new
    end


  attempts.each do |block|
    begin
      p block.call 
    rescue Exception => e
      p e
    end
  end


  ~ > ruby foo.rb
#<NameError: uninitialized constant A>
#<A::B::C::Foo:0x400a38a4>


-a
-- 

ATTN: please update your address books with address below!

===============================================================================
| EMAIL   :: Ara [dot] T [dot] Howard [at] noaa [dot] gov
| PHONE   :: 303.497.6469
| ADDRESS :: E/GC2 325 Broadway, Boulder, CO 80305-3328
| STP     :: http://www.ngdc.noaa.gov/stp/
| NGDC    :: http://www.ngdc.noaa.gov/
| NESDIS  :: http://www.nesdis.noaa.gov/
| NOAA    :: http://www.noaa.gov/
| US DOC  :: http://www.commerce.gov/
|
| The difference between art and science is that science is what we
| understand well enough to explain to a computer.  
| Art is everything else.  
|   -- Donald Knuth, "Discover"
|
| /bin/sh -c 'for l in ruby perl;do $l -e "print \"\x3a\x2d\x29\x0a\"";done' 
===============================================================================