Changes
use select rather than {...}
--]]
function p.union(...)
local vals, ret = {}, {}
for _i = 1, select('#', ...) do local t in ipairs= select(tablesi, ...) do
for k, v in pairs(t) do
if type(v) == 'number' and tostring(v) == '-nan' then
--]]
function p.intersection(...)
local vals, ret = {}, {}
local lim = #tables
for _i = 1, select('#', ...) do local t in ipairs= select(tablesi, ...) do
for k, v in pairs(t) do
if type(v) == 'number' and tostring(v) == '-nan' then