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Re: Checking parameters
From: |
Cecil Westerhof |
Subject: |
Re: Checking parameters |
Date: |
Sun, 17 Jun 2007 20:08:05 +0200 |
User-agent: |
KNode/0.8.0 |
Tim X wrote:
>> I am new to Emacs and lisp.
>> What is the best way to check parameters and do error handling when they
>> are not correct?
>
> Emacs will throw an error if the function is called with the wrong number
> of arguments.
Okay, I do not have to take care of that. ;-}
> However, if you want to get a bit more
> adventurous and you would like a function that can tell the user the
> arguement is invalid and give them another opportunity to enter a
> correctly formatted argument, you might want to use a function instead of
> the prompt sring.
Not at the moment, I am just starting. Furthermore, the function shall
mostly be used non-interactively.
But thanks for the thought.
Re: Checking parameters, Tim X, 2007/06/17
- Re: Checking parameters,
Cecil Westerhof <=