Feature suggestion -- return if true

Ian Kelly ian.g.kelly at gmail.com
Tue Apr 12 20:25:30 CEST 2011


On Tue, Apr 12, 2011 at 12:00 PM, Teemu Likonen <tlikonen at iki.fi> wrote:
> I'm a simple Lisp guy who wonders if it is be possible to add some kind
> of macros to the language. Then features like this could be added by
> anybody. Lisp people do this all the time and there is no need for
> feature requests or any discussions.
>
>    (with-returns
>       ;; some code
>       (return-if foo)
>       ;; more code
>       (return-if bar))

Flow-control macros were suggested as part of PEP 343, but they were
rejected by Guido based on this rant:

http://blogs.msdn.com/b/oldnewthing/archive/2005/01/06/347666.aspx



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