local slen = string.len
local function func(a, b)
	local x = a + b
	return x
end


local t = os.clock()
for i = 1, 1000000 do
	func(1, 2)
end
print("call: ", os.clock() - t)


t = os.clock()
for i = 1, 1000000 do
	pcall(func, 1, 2)
end
print("pcall: " ,os.clock() - t)

local a[id] = {} 

for k, v in pairs(a) 

end
os.execute("PAUSE")