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Re: master c8a2af3037 1/3: Add new function function-alias-p
From: |
Robert Pluim |
Subject: |
Re: master c8a2af3037 1/3: Add new function function-alias-p |
Date: |
Thu, 13 Jan 2022 11:41:03 +0100 |
>>>>> 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
--
- Re: master c8a2af3037 1/3: Add new function function-alias-p,
Robert Pluim <=