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bug#23933: 25.1.50; Run a buffer-local hook with mapc
From: |
Stefan Monnier |
Subject: |
bug#23933: 25.1.50; Run a buffer-local hook with mapc |
Date: |
Sun, 10 Jul 2016 11:18:56 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) |
>> - (mapc #'funcall after-quit-hook-internal)
>> + ;; after-quit-hook-internal is buffer-local; see `ediff-filegroup-action'.
>> + (mapc (lambda (f) (or (eq f t) (funcall f))) after-quit-hook-internal)
>> ))
> Thanks, but why do we use mapc to run hooks? We used to have
> run-hooks there.
after-quit-hook-internal is a variable, not a hook.
A hook is a symbol whose symbol-value slot holds a list of functions;
this happens to match a dynamically-bound variable, but not
a lexically-bound variable.
Stefan
- bug#23933: 25.1.50; Run a buffer-local hook with mapc, Tino Calancha, 2016/07/10
- bug#23933: 25.1.50; Run a buffer-local hook with mapc, Eli Zaretskii, 2016/07/10
- bug#23933: 25.1.50; Run a buffer-local hook with mapc,
Stefan Monnier <=
- bug#23933: 25.1.50; Run a buffer-local hook with mapc, Eli Zaretskii, 2016/07/10
- bug#23933: 25.1.50; Run a buffer-local hook with mapc, Stefan Monnier, 2016/07/10
- bug#23933: 25.1.50; Run a buffer-local hook with mapc, npostavs, 2016/07/10
- bug#23933: 25.1.50; Run a buffer-local hook with mapc, Stefan Monnier, 2016/07/10
- bug#23933: 25.1.50; Run a buffer-local hook with mapc, Tino Calancha, 2016/07/11
- bug#23933: 25.1.50; Run a buffer-local hook with mapc, Tino Calancha, 2016/07/11
- bug#23933: 25.1.50; Run a buffer-local hook with mapc, Eli Zaretskii, 2016/07/10
- bug#23933: 25.1.50; Run a buffer-local hook with mapc, Tino Calancha, 2016/07/10
- bug#23933: 25.1.50; Run a buffer-local hook with mapc, Noam Postavsky, 2016/07/10
- bug#23933: 25.1.50; Run a buffer-local hook with mapc, Eli Zaretskii, 2016/07/10