From: Frank Schmitt <invalid@...>
Date: 2003-12-09T18:47:02+09:00
Subject: Re: Surprising(?) behaviour of the comma operator

nobu.nokada@softhome.net writes:

> Hi,
> 
> At Mon, 8 Dec 2003 18:32:03 +0900,
> Frank Schmitt wrote:
> > I just stumbled over a (at least for me) surprising behaviour
> > of the comma (',') operator:
> 
> Ruby has no comma operator like C.
> 
> >   irb(main):003:0> a=1, b=2
> >   [1, 2]
> >   irb(main):004:0> puts a.class, b.class
> >   Array
> >   Fixnum
> >   nil
> 
> If you really want to use multi-statement, use semicolon (;)
> instead.

Normally I don't use multi-statements, but (coming from C++) I
wrote
       
  def initialize(a,b)
    @a = a, @b = b
  end

Writing 

  def initialize(a,b)
    @a,@b = a,b
  end

instead is no big deal, I just have to remember it :-)

Thanks to all for the quick responses & kind regards
frank

-- 
Frank Schmitt 
4SC AG		phone: +49 89 700763-0
		e-mail: frankNO DOT SPAMschmitt AT 4sc DOT com