Re: numeric captures (string.find)

[Asko Kauppi <asko.kauppi@...>]

No, it doesn't..

	if a==42 then

But I see your point; sometimes it does.

Also, if the number is used as a key to table, there's no implicit 
conversion. Such bugs are tedious and hard to find.



15.9.2004 kello 01:49, David Given kirjoitti:

 Asko Kauppi wrote:
> [...]
> > Would it be hard to make 'string.find()' return true numbers (not 
> > strings with numerical contents, as now):
> >     local _,_, a,b= string.find( "42 world", "(%d+)%s+(.+)" )
> >     --now: "42","world"
> >     --then: 42,"world"
> > I believe this little change would be welcome, and not cause major 
> > headaches in applications (they now have 'tonumber()', which would 
> > become irrelevant but work the same).
>
> Why do you need it? Lua will implicitly convert the numbers as needed.
>
> a = "42"
> print(a + 1)
> -> 43
>
> --
> [insert interesting .sig here]