On 11.04.2014 08:35, Thomas Jericke wrote:
On 04/11/2014 08:39 AM, duz wrote:Hmm, after *you* wrote an __index method that returns two values, *you* are surprised it does?Why do you assume that the person who wrote "foo(tracker[1]) " is the same as the one who wrote __index for tracker? I write a lot of functions used by others, for projects that are used over years. -- Thomas
What I mean is it takes a conscious decision to use that. You would document it and it would serve a purpose like in my example. Unless there are __index methods out there which return multiple values already and the users are protected from them by Lua throwing them away, nobody will be caught by surprise and harmed.