C Stack overflow when trying to index table

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@anon81993163 was right in 2 different posts…

you need rawget for all indexes of self, in the if-elseif statement and in the return statement because they all cyclically invoke the __index metamethod. Here’s a fixed version:

--not sure what dynamic type <T> was for so removed it
function option:__index(key: any)
    if (key == "is_some") then
        return rawget(self, "__value") ~= math.huge + 1
    elseif (key == "is_none") then
        return rawget(self, "__value") == math.huge + 1
    else
        return rawget(self, key)
    end
end