Module:table/extend

Documentation for this module may be created at Module:table/extend/doc

local insert = table.insert
local select = select

--[==[
Extend an existing list by a new list, modifying the existing list in-place. Compare the Python expression {list.extend(new_items)}.]==]
return function(t, ...)
	local i = 0
	if select("#", ...) < 2 then
		local list = ...
		while true do
			i = i + 1
			local v = list[i]
			if v == nil then
				return t
			end
			insert(t, v)
		end
	else
		local pos, list = ...
		while true do
			i = i + 1
			local v = list[i]
			if v == nil then
				return t
			end
			insert(t, pos, v)
			pos = pos + 1
		end
	end
end