local pairs, ipairs = pairs, ipairs;
local next = next;
local error = error;
-local newproxy, getmetatable, setmetatable = newproxy, getmetatable, setmetatable;
+local getmetatable, setmetatable = getmetatable, setmetatable;
local print = print;
local has_array, array = pcall(require, "util.array");
--module("json")
local json = {};
-local null = newproxy and newproxy(true) or {};
-if getmetatable and getmetatable(null) then
- getmetatable(null).__tostring = function() return "null"; end;
-end
+local null = setmetatable({}, { __tostring = function() return "null"; end; });
json.null = null;
local escapes = {