From: "Mauricio Fernández" <batsman.geo@...>
Date: 2003-03-27T01:01:25+09:00
Subject: Re: What are the differences between Ruby's blocks and Python's lambdas?

On Thu, Mar 27, 2003 at 12:50:04AM +0900, Chris Pine wrote:
> As was mentioned, Ruby has lambdas, but they are commonly called "procs".
> This rhymes with "blocks" for a reason.
> 
> A block is really just syntax sugar for defining a proc and passing it into
> a function.  Ruby allows for one block to be passed in to each method
> (though you can, of course, pass as many procs as you want in the parameter
> list).  It's a convenience, nothing more.
> 
> So, my answer is that there is no difference but syntax between *Ruby*
> lambdas and blocks.  Knowing no Python, I can only assume there's no
> significant difference there.

For the record:

There's one thing Ruby's closures do and Python's cannot, as described in
[ruby-talk:67618]. Doesn't seem to make a difference in praxis and there
is a workaround to solve that, though.

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