local result = table.pack(__expr__ ) if result.n == 0 then return end local pp = require "cc.pretty" local line = {} for i = 1, result.n do if i > 1 then line[#line + 1] = pp.text(", ") end line[#line + 1] = pp.pretty(result[i]) end pp.print(pp.concat(table.unpack(line)))