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On 10/06/2022 01:08, Luiz Henrique de Figueiredo wrote:
if a == 1 then          -- metamethod __eq

You can write this instead:
     if a:__eq(1) then

does that work if a is a Lua number?

Not as pretty but not terrible either.
This assumes that the methods in your library work with objects and
numbers, promoting numbers to objects as needed.