From: "David A. Black" <dblack@...>
Date: 2005-10-14T06:51:04+09:00
Subject: Re: Default argument values for blocks

Hi --

On Fri, 14 Oct 2005, Gyoung-Yoon Noh wrote:

> On 10/12/05, Yukihiro Matsumoto <matz@ruby-lang.org> wrote:
>> Hi,
>>
>> In message "Re: Default argument values for blocks"
>>     on Wed, 12 Oct 2005 20:42:06 +0900, Christophe Grandsire <christophe.grandsire@free.fr> writes:
>>
>> |Hey, what about ":(foo="bar"){puts foo}"? It's still not beautiful but it's
>> |still less annoying, and in Ruby we are already used to see colons at the
>> |beginning of a word. Of course, overloading ":" may not be considered a good
>> |idea, but it shouldn't be a parsing problem as this one would always be
>> |followed by a "(" (and that doesn't happen with symbols). And:
>> |
>> |collection.each:(foo="bar"){puts foo}
>> |
>> |isn't that bad :) .
>>
>> I have never thought of that.  Hmm, let me think about it during the
>> conference trip.  I'm leaving tomorrow morning.
>>
>>                                                         matz.
>>
>>
>
> +1
>
> collection.each : (foo="bar") { puts foo }
>
> It looks like 'when condition : expression' branch in
> 'case' statement.

But why would you want a method call and argument list and block to
look like when condition : expression ?  There's no "then" meaning to
it.


David

-- 
David A. Black
dblack@wobblini.net