mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-06-29 08:24:55 +00:00
20 lines
541 B
Lua
20 lines
541 B
Lua
|
--- Builds a new table with the elements of the given table appearing at most once.
|
||
|
|
-- @param tbl table The table of values to make unique.
|
||
|
|
-- @returns table A new table containing the values of the given table appearing at most once.
|
||
|
|
function worldeditadditions.table_unique(tbl)
|
||
|
|
local newtbl = {}
|
||
|
|
for i,value in ipairs(tbl) do
|
||
|
|
local seen = false
|
||
|
|
for j,seenvalue in ipairs(newtbl) do
|
||
|
|
if value == seenvalue then
|
||
|
|
seen = true
|
||
|
|
break
|
||
|
|
end
|
||
|
|
end
|
||
|
|
if not seen then
|
||
|
|
table.insert(newtbl, value)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
return newtbl
|
||
|
|
end
|