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From: Emanuel Berg <incal@dataswamp.org>
To: help-gnu-emacs@gnu.org
Subject: Re: Passing optional arguments for use with internal functions
Date: Fri, 28 Jul 2023 12:51:50 +0200	[thread overview]
Message-ID: <87tttoux4p.fsf@dataswamp.org> (raw)
In-Reply-To: 0Ezo2Srah2_DE-D1XG3MBYVEmAvnfHLu8cKpS3oJa4Hn5ADeV7sBbHFTtIzRAFv461O5XlpcjkyImCJHO7DKvaM492vQW7cz9wXL_VaDAdQ=@proton.me

uzibalqa wrote:

> Is this the way to allow optional arguments for 'lexif', or
> would I have additional tests [...]

Optional arguments defaults to nil, if that is an acceptable
value you can use it as you do, if not you can check if it is
nil first thing in the function and if it is, set it to
something that works, e.g.

(or arg (setq arg 0))

-- 
underground experts united
https://dataswamp.org/~incal




  reply	other threads:[~2023-07-28 10:51 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-27 23:45 Passing optional arguments for use with internal functions uzibalqa
2023-07-28 10:51 ` Emanuel Berg [this message]
2023-07-28 16:42   ` Heime
2023-07-28 17:11     ` Emanuel Berg
2023-07-30 16:09       ` uzibalqa
2023-07-31 12:27         ` Emanuel Berg
2023-08-02 18:01           ` uzibalqa
2023-08-02 18:20             ` Emanuel Berg
2023-08-02 19:24               ` uzibalqa
2023-08-02 19:53                 ` uzibalqa
2023-08-02 23:24                   ` Emanuel Berg
2023-08-03 15:25                   ` Emanuel Berg
2023-08-03 15:35                   ` Emanuel Berg
2023-08-03 15:46                   ` Emanuel Berg
2023-07-28 20:02   ` [External] : " Drew Adams
2023-07-28 20:42     ` uzibalqa

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