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From: Daniel Colascione <dancol@dancol.org>
To: Levin Du <zslevin@gmail.com>
Cc: Burton Samograd <burton@samograd.ca>, emacs-devel@gnu.org
Subject: Re: RFC: rough draft of Python-style generators for elisp
Date: Thu, 29 Nov 2012 11:49:28 -0700	[thread overview]
Message-ID: <50B7AE38.6040602@dancol.org> (raw)
In-Reply-To: <CAN6cQGPDrc=SfhtjdZ2MFUoZTqFFUhoE=B8V9JygxnbJxaxobA@mail.gmail.com>

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On 11/29/12 1:41 AM, Levin Du wrote:
> Hi Daniel,
> 
> My Emacs version is "GNU Emacs 24.3.50.1".
> 
> I tried:
> 
> (defgenerator mygen (i)
>   (yield 1)
>   (yield i)
>   (yield 3))
> 
> (let ((gen (mygen 100)))
>   (list  (funcall gen)
>          (funcall gen)
>          (funcall gen)))
> 
> but failed with:
> 
> Debugger entered--Lisp error: (void-variable cps-current-state-91642)

lexical-binding needs to be t. Is it okay for defgenerator to let-bind
it at top-level as long as it preserves dynamic binding semantics for
the actual code generated?



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  reply	other threads:[~2012-11-29 18:49 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-27  3:16 RFC: rough draft of Python-style generators for elisp Daniel Colascione
2012-11-27 15:31 ` Burton Samograd
2012-11-27 21:24   ` Daniel Colascione
2012-11-27 21:26   ` Daniel Colascione
2012-11-29  8:41     ` Levin Du
2012-11-29 18:49       ` Daniel Colascione [this message]
2012-11-29 19:47         ` Stefan Monnier

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