From: "Berger, Daniel" <Daniel.Berger@...>
Date: 2008-05-23T00:37:16+09:00
Subject: Re: lambda, ->, haskell, and so on

 

> -----Original Message-----
> From: Suraj N. Kurapati [mailto:sunaku@gmail.com] 
> Sent: Thursday, May 22, 2008 8:12 AM
> To: ruby-core@ruby-lang.org
> Subject: Re: lambda, ->, haskell, and so on
> 
> Suraj N. Kurapati wrote:
> > my first preference would be to resolve the ambiguity of "|" in the 
> > Ruby parser itself (see [1] and [2]).  That would obviate 
> the need for 
> > a new lambda operator and enhance the existing, well established 
> > lambda {|| ...} idiom.
> > 
> > [1] http://www.ruby-forum.com/topic/151550#673072
> > [2] http://www.ruby-forum.com/topic/151550#673110
> 
> Nobody has yet commented on these two brilliant ideas (see links
> above) about resolving the "|" ambiguity in the parser itself.
> 
> Could someone *please* consider these ideas?

Could someone show me the use case for lambdas with default arguments?
Why would we need this in practice?

I also don't understand the use case for blocks with default values.

Thanks,

Dan


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