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From: Robert Pluim <rpluim@gmail.com>
To: emacs-devel@gnu.org
Cc: Lars Ingebrigtsen <larsi@gnus.org>
Subject: Re: master c8a2af3037 1/3: Add new function function-alias-p
Date: Thu, 13 Jan 2022 11:41:03 +0100	[thread overview]
Message-ID: <87sftr3olc.fsf@gmail.com> (raw)
In-Reply-To: <20220113084927.707D2C0DA30@vcs2.savannah.gnu.org> (Lars Ingebrigtsen's message of "Thu, 13 Jan 2022 03:49:27 -0500 (EST)")

>>>>> On Thu, 13 Jan 2022 03:49:27 -0500 (EST), Lars Ingebrigtsen <larsi@gnus.org> said:

    Lars> branch: master
    Lars> commit c8a2af3037c647bf6dd53f53af1b344e284f809b
    Lars> Author: Lars Ingebrigtsen <larsi@gnus.org>
    Lars> Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Lars>     Add new function function-alias-p
    
    Lars>     * doc/lispref/functions.texi (Defining Functions): Document it.
    Lars>     * lisp/subr.el (function-alias-p): New function (bug#53178).
    Lars> ---
    Lars>  doc/lispref/functions.texi | 17 +++++++++++++++++
    Lars>  etc/NEWS                   |  5 +++++
    Lars>  lisp/subr.el               | 22 ++++++++++++++++++++++
    Lars>  test/lisp/subr-tests.el    | 17 +++++++++++++++++
    Lars>  4 files changed, 61 insertions(+)

    Lars> diff --git a/doc/lispref/functions.texi b/doc/lispref/functions.texi
    Lars> index 96fecc8c89..caf8e3444f 100644
    Lars> --- a/doc/lispref/functions.texi
    Lars> +++ b/doc/lispref/functions.texi
    Lars> @@ -667,6 +667,23 @@ which file defined the function, just like @code{defun}
    Lars>  By contrast, in programs that manipulate function definitions for other
    Lars>  purposes, it is better to use @code{fset}, which does not keep such
    Lars>  records.  @xref{Function Cells}.
    Lars> +@end defun
    Lars> +
    Lars> +@defun function-alias-p object &optional noerror
    Lars> +Use the @code{function-alias-p} function to check whether an object is
    Lars> +a function alias.  If it isn't, this predicate will return
    Lars> +non-@code{nil}.  If it is, the value returned will be a list of symbol
    Lars> +representing the function alias chain.  For instance, if @code{a} is
    Lars> +an alias for @code{b}, and @code{b} is an alias for @code{c}:
    Lars> +

I think thatʼs not correct (and a bit convoluted). How about:

Checks whether @var{object} is a function alias.  If it is, it returns
a list of symbols representing the function alias chain, else
@code{nil}.  For instance, if @code{a} is an alias for @code{b}, and
@code{b} is an alias for @code{c}:

Robert
-- 



       reply	other threads:[~2022-01-13 10:41 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <164206376686.342.13318619183595442698@vcs2.savannah.gnu.org>
     [not found] ` <20220113084927.707D2C0DA30@vcs2.savannah.gnu.org>
2022-01-13 10:41   ` Robert Pluim [this message]
2022-01-14  7:25     ` master c8a2af3037 1/3: Add new function function-alias-p Lars Ingebrigtsen
2022-01-13 15:39   ` Stefan Monnier
2022-01-14  7:28     ` Lars Ingebrigtsen
2022-01-14 16:10       ` Stefan Monnier
2022-01-15  8:18         ` Lars Ingebrigtsen
2022-01-15 14:39           ` Stefan Monnier
2022-01-20  9:54             ` Lars Ingebrigtsen

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