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You can already produce this effect in lua. This is not a complete recreation because real extension methods (a la C#) should override methods no matter where they come from. Lua doesn't have methods so it doesn't make sense.

Personally this seems a bit pointless because you can just use __index on a proxy table to achieve this effect since there's no methods and symbol resolution in lua.

On Mon, Jun 21, 2021 at 12:39 PM Notabored guy <> wrote:
I personally don't see the use of it.

On Mon, Jun 21, 2021, 12:48 Soni "They/Them" L. <> wrote:

On 2021-06-21 4:33 a.m., Egor Skriptunoff wrote:
> Why might we want to redefine methods of an object locally (inside the
> current module) instead of globally (everywhere the object appears)?
> Please provide real-life examples

local _GETNAME = function(o, k)
  if type(o) == "table" and k == "insert" then return table.insert end
  return o[k]

This allows doing t:insert(foo) on any table t.