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22 lines
549 B
Lua
22 lines
549 B
Lua
--- Builds a new table with the elements of the given table appearing at most once.
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-- @param tbl table The table of values to make unique.
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-- @returns table A new table containing the values of the given table appearing at most once.
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local function table_unique(tbl)
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local newtbl = {}
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for i,value in ipairs(tbl) do
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local seen = false
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for j,seenvalue in ipairs(newtbl) do
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if value == seenvalue then
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seen = true
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break
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end
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end
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if not seen then
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table.insert(newtbl, value)
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end
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end
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return newtbl
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end
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return table_unique
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