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Re: Gnu ELPA cl-generic bug?
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From: |
Stefan Monnier |
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Subject: |
Re: Gnu ELPA cl-generic bug? |
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Date: |
Tue, 27 Nov 2018 21:47:35 -0500 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
> I'm trying to use the Gnu ELPA package cl-generic to support
> cl-defmethod in Emacs 24.5.
[...]
> (cl-defstruct wisi-parser
[...]
> (cl-defgeneric wisi-parse-kill ((parser wisi-parser))
That won't work: the GNU ELPA package only provides the common subset
between the old EIEIO defmethod and the cl-generic cl-defmethod.
More specifically, you can only dispatch on the first arg and only on
EIEIO classes, not defstructs, nor built-in types.
IOW, it only lets you use the cl-generic syntax instead of the old EIEIO
syntax.
Stefan