From: "David A. Black" <dblack@...>
Date: 2005-10-12T06:40:07+09:00
Subject: Re: Default argument values for blocks

Hi --

On Wed, 12 Oct 2005, Yukihiro Matsumoto wrote:

> Hi,
>
> In message "Re: Default argument values for blocks"
>    on Wed, 12 Oct 2005 02:25:33 +0900, Yukihiro Matsumoto <matz@ruby-lang.org> writes:
>
> ||Is there a reason why I can't do this?
> ||
> ||   foo = lambda { |foo = bar| puts foo }
> ||   foo.call
> ||
> ||I can't think of any good reason why this isn't valid.
> |
> |Mostly because yacc does not allow it.  It confuses
> |
> |  lambda { |foo = bar| puts foo }
> |
> |as
> |
> |  lambda { |foo = (bar| puts foo) }
> |
> |and causes syntax error.
>
> For your information, you can do
>
>  foo = ->(foo="bar"){puts foo}
>  foo.call
>
> in 1.9.

Is this definitely going to remain?  (Please say no.... :-)


David

-- 
David A. Black
dblack@wobblini.net