From: Dave Thomas <Dave@...>
Date: 2001-09-19T10:04:46+09:00
Subject: [ruby-talk:21364] Re: destructor

jweirich@one.net writes:

> Now, create a sandwich function using blocks ...
> 
>     def sandwich
>       create_a_resource   # Top Bread Slice
>       yield
>     ensure
>       close_the_resource  # Bottom Bread Slice
>     end

I _think_ that in this case you need the 'begin':

   def sandwich
     res = create
     begin
       yield res
     ensure
       res.close
     end
   end

(you don't want to catch exceptions during creation)


Regards


Dave