From: Robert Klemme <bob.news@...>
Date: 2005-09-29T01:51:44+09:00
Subject: Re: Class Methods and derivation

ts wrote:
>>>>>> "D" == Damphyr  <damphyr@freemail.gr> writes:
>
>> I do something like the following
>
>  Try something like this
>
> moulon% cat b.rb
> #!/usr/bin/ruby
> class Test
>    def self.open
>       tt = new
>       yield tt
>    ensure
>       tt.close if tt
>    end
>
>    def close
>    end
> end
>
> module SomeModule
>    def some_module_method
>       puts "some_module_method"
>    end
> end
>
> class DerivedTest<Test
>    include SomeModule
> end
>
> DerivedTest.open{|tt|
>    tt.some_module_method
> }
> moulon%
>
> moulon% ./b.rb
> some_module_method
> moulon%
>
>
>
> Guy Decoux

Guy, you were too fast again! :-)  So I cut out my similar example and
just add what would have been my explanation:

The trick is not to do Test.new but to use just new (calls self.new which
is DerivedTest in sub class).

Kind regards

    robert