From: Phlip <phlip2005@...>
Date: 2007-08-07T00:39:51+09:00
Subject: Re: yield or call?

Pit Capitain wrote:

> > When writing API-style code, I always start with &block because it's only a
> > matter of time before I refactor the code and start passing that &block into
> > a helper method.
>
> Phlip, you can do the equivalent with yield:
>
>   def x(&b); xx(&b); end
>   def xx(&b); b.call; end
>
> vs.
>
>   def y; yy { yield }; end
>   def yy; yield; end
>
> Also in this case the yield version is much faster.

What if the block were optional?

(I forgot to mention that's typical of API-style code...)

-- 
 Phlip
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