Re: change pcomplete/make to include targets in included files

[Stephen Leake <stephen_leake@stephe-leake.org>]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> That doesn't seem to work. The list ('rules' in
>> pcmp-gnu-with-file-buffer) is initially nil, which means it is not
>> passed by reference, so it is never updated. Unless there is some way to
>> force pass by reference? (I think that requires a macro?)
>
> I definitely don't want to pass anything by reference (I like things to
> be immutable).  I meant you should be doing
>
>     (setq targets (pcmpl-gnu-make-all-targets ... targets))
>
> instead of
>
>     (setq targets (append (pcmpl-gnu-make-all-targets ...)
>                           targets))
>
> it's a standard coding style in functional programming (except
> using recursion rather than while+setq, of course).

Ah; you can do 'push' on the 'targets' arg (whether nil or otherwise),
then return it. That makes sense. 

-- 
-- Stephe