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Re: Anaphoric lambda macro doesn't work anymore?
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From: |
Stefan Monnier |
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Subject: |
Re: Anaphoric lambda macro doesn't work anymore? |
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Date: |
Fri, 22 Jan 2016 23:38:59 -0500 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) |
> emacs -version
> GNU Emacs 25.0.50.1
> emacs -Q
> M-: (require 'cl) RET
> M-: (defmacro alambda (args &rest body) `(labels ((self ,args ,@body))
> #'self)) RET
> M-: (funcall (alambda (a b) (if (a > b) (message "%s %s" a b) (self b a)))
> 1 2) RET
> Debugger entered--Lisp error: (void-function self)
Indeed, looks like a plain bug: the #'self is not being replaced with
a reference to the `labels' defined function for some reason.
Can you make a proper bug report for it (i.e. send the above recipe
with M-x report-emacs-bug), so we get a tracking number?
Stefan