Mirrorlandia_minetest/Minetest-WorldEditAdditions
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fixup

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Starbeamrainbowlabs 2021-11-10 02:07:34 +00:00
parent e82440a096
commit 43ea6e34c1
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1 changed files with 10 additions and 10 deletions
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18
worldeditadditions/utils/tables/deepcopy.lua
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@ -25,16 +25,16 @@
-- @param obj table The table to clone. -- @param obj table The table to clone.
-- @returns table A deep copy of the given table. -- @returns table A deep copy of the given table.
local function deepcopy(obj, seen) local function deepcopy(obj, seen)
-- Handle non-tables and previously-seen tables. -- Handle non-tables and previously-seen tables.
if type(obj) ~= 'table' then return obj end if type(obj) ~= 'table' then return obj end
if seen and seen[obj] then return seen[obj] end if seen and seen[obj] then return seen[obj] end
-- New table; mark it as seen and copy recursively. -- New table; mark it as seen and copy recursively.
local s = seen or {} local s = seen or {}
local res = {} local res = {}
s[obj] = res s[obj] = res
for k, v in pairs(obj) do res[deepcopy(k, s)] = deepcopy(v, s) end for k, v in pairs(obj) do res[deepcopy(k, s)] = deepcopy(v, s) end
return setmetatable(res, getmetatable(obj)) return setmetatable(res, getmetatable(obj))
end end
return deepcopy return deepcopy