From: nobu.nokada@...
Date: 2003-11-29T17:30:21+09:00
Subject: Re: ruby-dev summary: 21928-22011

Hi,

At Sat, 29 Nov 2003 06:42:13 +0900,
Simon Strandgaard wrote:
> >    [ruby-dev:21933] new hash literal
> > Nobu Nakata read Matz's RC2003 slides
> > (http://www.rubyist.net/~matz/slides/rc2003/mgp00027.html)
> > and made a patch for a new hash literal like {key: value}.
> 
> Matz slide says:
> {a: 45, b: 55, c: 65}   same as  {:a => 45, :b => 55 :c => 65}
> 
> 
> Will it be possible to leave out spaces,
> so that {a:45, b:55, c:65} are possible ?

Yes, but impossible to put spaces before colons.

  {a :45, b :55, c :65}   same as  {a(:45), b(:55), c(:65)}

But :45 and so on cause SyntaxError, of course.

> Leaving out comma, will it be possible?
> like this: {a:45 b:55 c:65}

No.  I've not thought about such syntax.

> What happens if no value are specified ?  nil?
> For instance 'verbose:' has no value
>   copy source:"file.in" dest:"file.out" verbose:

Parse error.

-- 
Nobu Nakada