Re: string:sub

[joao lobato <btnfdp.lobato@...>]

On 3/6/10, Shmuel Zeigerman <shmuz@013net.net> wrote:
> joao lobato wrote:
>> I suppose it would be better all around if string.sub only accepted
>> non-null integers as indices
>
> If s:sub(5,4) is valid then s:sub(1,0) should be valid too.
>
> --
> Shmuel
>
You are right. string.sub's behaviour depends on string.find's; it
must therefore accept both cases you pointed.

But why accept non-integers?