On Mar 31, 6:14 pm, Tim Chase <[email protected]> wrote:
> > Some built-in vim functions support optional arguments. For example,
> > we can write winnr() as well as winnr('$'). Can I define my own
> > functions with optional arguments? I found no hints in vim's online
> > help.
>
> The relevant help is at
>
> :help a:0
>
> (it's another of those "it's easy to find if you already know
> what you're looking for" sorts of help bits :)
>
> You can have up to 20 arguments by putting "..." in your function
> specification's parameters, and then referencing it with "a:1",
> "a:2", etc. Or, you can access them as a list using "a:000".
> The number of arguments passed is contained in "a:0".
>
> -tim
Got it. Thanks a lot.
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