function table:extend(other)
	if type(other) == 'table' then
		for _, value in ipairs(other) do
			self[#self + 1] = value
		end
	else
		for value in other do
			self[#self + 1] = value
		end
	end
end

function table:merge(other)
	for key, value in pairs(other) do
		self[key] = value
	end
end

function table.from_iter(iter)
	local t = {}

	for value in iter do
		t[#t + 1] = value
	end

	return t
end