Re: Checking parameters

[Cecil Westerhof]

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.