Re: string.byte returning nothing (Re: Changelog for 5 - 3/3/2003)

[Dimiter 'malkia' Stanev <malkia@...>]

On 3/21/2012 12:19 PM, Egor Skriptunoff wrote:
> > local a,b,c=(''):byte(),1,2
> > print(a,b,c)
> > # nil 1 2
> >
> > I would've thought this should be
> > # 1 2 nil
>
> Lua reduces empty result list of
> (''):byte()
>
> to one value == nil.

But then type((''):byte()) bombs out that no parameter were given, and 
in the source code, string.byte it returns 0..n elements on the stack.

> See chapter 'Expressions' in Lua Manual.

I'll take a look!

> > # Note the coma at the end
> > local a,b,c=('ab'):byte(1,2),
> > print(a,b,c)
> > # nil nil nil
>
> It is equivalent to
> local a,b,c=('ab'):byte(1,2),print(a,b,c)
>
> It prints your global a,b,c  :)

LOL! Thanks for that one!