From: Eli Zaretskii <eliz@gnu.org>
To: Ship Mints <shipmints@gmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: Help making setq work on dynamic symbol
Date: Fri, 18 Oct 2024 18:00:18 +0300 [thread overview]
Message-ID: <86sestmp6l.fsf@gnu.org> (raw)
In-Reply-To: <CAN+1HboPTfwENftbpM9v+BaU8HUUf8yZJG-xqxKF7mCAEBtVbw@mail.gmail.com> (message from Ship Mints on Fri, 18 Oct 2024 10:40:47 -0400)
> From: Ship Mints <shipmints@gmail.com>
> Date: Fri, 18 Oct 2024 10:40:47 -0400
>
> (defmacro my/setq (name value)
> (let ((sym (intern name)))
> `(setq ,sym ,value)))
> (defvar foo nil)
> (my/setq "foo" t) ; this works
> (intern (concat "f" "oo")) ; this works
> (my/setq (concat "f" "oo") t) ; this fails with...
>
> Debugger entered--Lisp error: (wrong-type-argument stringp (concat "f" "oo"))
> intern((concat "f" "oo"))
> (let ((sym (intern name))) (list 'setq sym value))
> (closure (t) (name value) (let ((sym (intern name))) (list 'setq sym value)))((concat "f" "oo") t)
> macroexpand((my/setq (concat "f" "oo") t))
> elisp--eval-last-sexp(nil)
my/setq is a macro, not a function.
next prev parent reply other threads:[~2024-10-18 15:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-18 14:40 Help making setq work on dynamic symbol Ship Mints
2024-10-18 15:00 ` Eli Zaretskii [this message]
2024-10-18 15:02 ` Ship Mints
2024-10-18 15:18 ` Visuwesh
2024-10-18 15:20 ` Andreas Schwab
2024-10-18 15:24 ` Ship Mints
2024-10-18 15:53 ` Ship Mints
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