Re: Some enhancement requests
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- Subject: Re: Some enhancement requests
- From: Edgar Toernig <froese@...>
- Date: 2000年4月04日 01:30:20 +0200
Alan Watson wrote:
> Edgar Toernig wrote:
> >2. The second argument to the next() function should be optional so that
> > next(foo, nil) is the same as next(foo). I use next() regularly to test
> > if a table is empty (if next(tab) then print"not empty" end) and the
> > additional nil is disturbing and inconsistent.
>
> Surely it would be better to use a wrapper function:
>
> function isempty(t)
> return not next(t, nil)
> end
What I wanted was a next function that is compatible to the standard lua
calling conventions. In code:
function next(a,b) return %next(a,b) end
Ciao, ET.