Re: Keyword as function name (was: Table dot number?)

[Dirk Laurie <dirk.laurie@...>]

2011/10/28 Michal Kottman <k0mpjut0r@gmail.com>:
> On 28 October 2011 17:53, Stefan Reich
> <stefan.reich.maker.of.eye@googlemail.com> wrote:
>> On Fri, Oct 28, 2011 at 9:28 AM, Miles Bader <miles@gnu.org> wrote:
>>> HyperHacker <hyperhacker@gmail.com> writes:
>>>> funcs['for'] = function(...) doStuff() end --OK, but harder to read,
>>>> especially alongside those like the first line.
>>>
>>> c'mon, that's not _that_ bad, especially given that it will only
>>> rarely need to be used.  It's arguably even a good thing, since it
>>> explicitly makes the point "hey this function name is a keyword, so be
>>> careful..."
>>
>> Yeah, it sounds really smart to use "for" as a function name in your
>> Lua code :-))
>>
>> (Hilarity ensues!)
>
> Sometimes, you cannot avoid it. For example when generating a 1-1
> binding to a library which uses methods named as Lua keywords. An
> example of this is the Qt library - 19 of it's classes have a method
> named 'end' [1], which you cannot call using Lua's syntax sugar. You
> have to call it as follows:
>
>    painter['end'](painter)
>
> Does someone propose an elegant way to handle this? :)
>

If you would have used `painter:end()` a lot:

    local painter_end = function() return painter['end'](painter) end

If not, it's a non-issue.

Dirk