From: Robert Klemme <bob.news@...>
Date: 2004-10-01T16:45:00+09:00
Subject: Re: Proc.new(method)? (was Re: Funtionality of 'case'-Expression)


"Brian Candler" <B.Candler@pobox.com> schrieb im Newsbeitrag
news:20040930191318.GA932@uk.tiscali.com...

> Let's factor out the variable, so we get
>
>   case object
>   when Proc.new(:===){|x| x.method == 'whatever' }
>     ... do stuff1
>   when Proc.new(:===){|x| x.id%2 == 0 }
>     ... do stuff2
>   end

This is inefficient.  Using a constant is more efficient and IMHO more
readable:

EVEN = Proc.new(:===){|x| x % 2 == 0 }

case foo
when EVEN
  ...
end

Kind regards

    robert