From: "Mauricio Fernández" <batsman.geo@...>
Date: 2004-01-26T22:25:04+09:00
Subject: Re: Blocks as Block / Proc parameters

On Mon, Jan 26, 2004 at 07:55:00PM +0900, Robert Klemme wrote:
> > What would you think about Kernel::block_given, returning a Proc
> > corresponding to the block or nil?
> 
> I don't like it because it imposes the additional overhead of a proc
> creation even for cases when you just want the boolean information.  How
> about extending Proc to accept blocks like this:

We have Kernel.block_given? already... so having Kernel.block_given too
seems most natural to me, and it looks easier to implement than adding
an optional &block to the block args.

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