From: Nikolai Weibull <mailing-lists.ruby-talk@...>
Date: 2005-07-28T20:49:57+09:00
Subject: Re: Idea for Ruby 2.0

Brian Schr�der wrote:

> On 28/07/05, Nikolai Weibull
> <mailing-lists.ruby-talk@rawuncut.elitemail.org> wrote:

> > I was thinking whether Ruby 2.0 should introduce I-don't-care-type
> > variables, like Haskell or Prolog has.  It would make all
> > identifiers beginning with a lowline invalid, except in
> > parameter-lists, which could mean too much incompatability with Ruby
> > 1.x, but perhaps it's worth at least some thought?,

> Why would it make all identifiers beginning with an underscore
> invalid? One don't care variable should be enough for everybody I
> think ;-).
> 
> a, _, b, _, c = *function()
> 
> would make sense to me, though
> 
> a, _a, b, _b, c = *function()
> 
> could continue to set five variables.

Well, it depends on how you would want it.  In Prolog (don't remember
how Haskell does it), all variable beginning with a lowline are ignored
- it adds some documentational value.  Perhaps only _ is enough,
        nikolai

-- 
Nikolai Weibull: now available free of charge at http://bitwi.se/!
Born in Chicago, IL USA; currently residing in Gothenburg, Sweden.
main(){printf(&linux["\021%six\012\0"],(linux)["have"]+"fun"-97);}