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- Subject: Re: ANN: LuaState (A C++ Lua Wrapper and enhanced Lua 4.1 Distribution)
- From: "Nick Trout" <nick@...>
- Date: Fri, 9 Nov 2001 10:22:05 -0000
> So, in my opinion, the primary advantages become:
> 1) Memory savings. One table full of functions per unique object type.
> 2) Faster than the "index" tag method.
> 3) Easy to understand.
> 4) Every object type can have unified method calls made to it.
> 5) All the advantages described by Edgar months ago.
> 6) And most importantly, the existing interface is not broken. Unified
> methods are only an addition to Lua. If you don't use them, you don't
> see them.
Unified methods also allow you separate your data and your functions so you
don't get clashes. i.e. a table which is tagged to be a class cannot contain
data whose keys clash with function names.
See Python dictionaries emulation for an example:
and discussion (which probably needs tidying up!):