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2016-06-22 17:55 GMT+02:00 Eduardo Ochs <>:
> pack = table.pack or function (...) return {n=select("#", ...), ...} end
> Some people feel that using an "n" field in a table is something that
> has to be avoided at all costs.
> With time I learned to find that fascinating. =)

The annotated list is my favourite Lua structure, e.g.
{shape={2,3},1,2,3,4,5,6} for a matrix. It's almost
XML-like except that attribute sequence must not
matter (and anyway I have yet to see a real-world
docspec in which it does).