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- Subject: Re: __index and __newindex
- From: Marc Balmer <marc@...>
- Date: Wed, 27 Apr 2011 08:58:47 +0200
> I often see that people do miss the fact that __index and __newindex
> are called for non-existant keys only. When I was a newbie I missed
> that too.
To be correct, this is only the case for tables.
> Maybe it is a good idea to emphasize this fact in the manual? Like add
> a short sentence to the blob of code that now describes the metamethod
The pseudo code in the reference manual describes this very cleary, imo.
> I would even go further and add a full natural language description to
> each metamethod. While a blob of code is sufficient, it is too formal
> for newbie (who is not necessarily verse enough in Lua to get a full
> grasp of it).
A blob of code is what programmers should be able to read, imo.