Re: what's wrong with this loop syntax?

["Rafael de Menezes" <soscpd@...>]

Just 
while (str) do
if str = S:Next() then
end
end
doesnt work? Its not the beeest est  code, but i dont have more sources....


----- Original Message ----- 
From: "Michael Newberry" <mnewberry@mirametrics.com>
To: "Lua list" <lua@bazar2.conectiva.com.br>
Sent: Monday, January 08, 2007 6:33 PM
Subject: what's wrong with this loop syntax?


> Pardon me for asking a simple question, but why can't I use this syntax?
>
>    while (str = S:Next()) ~= nil do
>
> or this syntax:
>
>    while (str = S:Next()) and str ~= nil do
>
> where S exists and S:Next() returns a string or nil.
>
> I get this message:    `)' expected near `='
>
> Thanks,
>
> Michael