From: matz@... (Yukihiro Matsumoto)
Date: 2002-07-10T18:56:54+09:00
Subject: Re: Case expressions and LHS of assignment....

Hi,

In message "Case expressions and LHS of assignment...."
    on 02/07/10, Hugh Sasse Staff Elec Eng <hgs@dmu.ac.uk> writes:

|While trying to avoid Repetition in my code I tried to rewrite a case
|statement, thinking how they can be used on the right hand side of an
|assignment, so I tried the left hand side.  It basically came down to
|this:

Unlike Perl (nor C++), the evaluated result of case statement is the
"value", not the "reference".  And I feel this is a good thing.  Why not

   def assign(x,y)
      case x
      when 1
          @a = y
      when 2
          @b = y
      when 3
          @c = y
      end
    end

							matz.