Simple function (re)compilation?

[Rodrigo Azevedo <rodrigoams@...>]

Given the code:

f = function ()
        local o = 10
        return
                function(x) return x+o end
end

local o = 10
g = function ()
        return
                function(x) return x+o end
end

print(f(),f(),g(),g())

It prints:

function: 0x2196ff0    function: 0x21965f0    function: 0x2196da0    function: 0x2196da0

The problem:  Why f() returns different functions while g() does not?

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Rodrigo Azevedo Moreira da Silva