Re: How to do completion of toggle flag sequences separated by +/-

[Peter Stephenson <Peter.Stephenson@xxxxxxx>]

On Mon, 2 May 2011 11:16:06 +0200
Haakon Riiser <haakon.riiser@xxxxxxxxxx> wrote:
>  By the way: When defining sub-functions inside a completion
> function, is it recommended to test for their existence before
> defining them? E.g.,
> 
>  (( $+functions[_ffmpeg_foo] )) || _ffmpeg_foo() {
>    ...
>  }
> 
>  I see this in a lot of completers included with zsh, and I assumed
> it was done for performance reasons (although it seems strange that
> the performance hit could be significant, considering that the code
> is only executed once per TAB keypress).

That's certainly normal, but I think it's less for performance reasons
than to allow you to overrided _ffmpeg_foo (or whatever) in another
file.  Note that the (( ... )) expression is true even if _ffmpeg_foo is
marked for autoload.

-- 
Peter Stephenson <pws@xxxxxxx>            Software Engineer
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