20 lines
592 B
Lua
20 lines
592 B
Lua
function deepcopy(orig, copies)
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copies = copies or {}
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local orig_type = type(orig)
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local copy
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if orig_type == 'table' then
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if copies[orig] then
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copy = copies[orig]
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else
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copy = {}
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copies[orig] = copy
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for orig_key, orig_value in next, orig, nil do
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copy[deepcopy(orig_key, copies)] = deepcopy(orig_value, copies)
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end
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setmetatable(copy, deepcopy(getmetatable(orig), copies))
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end
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else -- number, string, boolean, etc
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copy = orig
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end
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return copy
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end
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