Test = {}
Test.name = "Test"
Test.__index = Test
Test.prototype = {}
Test.prototype.__index = Test.prototype
Test.prototype.constructor = Test
function Test.new(...)
    local self = setmetatable({}, Test.prototype)
    self:____constructor(...)
    return self
end
function Test.prototype.____constructor(self, bar)
    self.bar = bar or true
    if bar == nil then
        bar = true
    end
end
local result = Test.new(false).bar
print(result)

function Test.prototype.____constructor(self, bar)
    if bar == nil then
        bar = true
    end
    self.bar = bar
end