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Luiz Henrique de Figueiredo wrote:
Why the code below(tcp.c in luasocket) use "tcp{master}"?
My question is about "{}" in metatable's name.

These metatables names are used only internally and can be anything.
Does the manual(or PIL) mention this usage?
I have not read about this.I want to know more about the detail to understand the code of luasocket.