lua闭包

function MakeCounter()
    local t =
    return function()
        t = t +
        return t
    end
end

local func = MakeCounter()
for i = , do
    print(func())
end
local func2 = MakeCounter()
for i = , do
    print(func2())
end

>lua -e "io.stdout:setvbuf 'no'" "main.lua"
1
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8
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11
1
2
3
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5
6
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9
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11
>Exit code: 0