local _META = {string = {__index = function(s, k) if type(k) == "number" then return string.sub(s, k, k) end return string[k] end}}

["Thiago L." <fakedme@...>]

Hi!

Can we get a local _META, like _ENV but for metatables?

s = "test"
print(s:sub(1,2))
do
local _META = {string = {__index = {sub = function(s, i, j) return "nope" end}}}
print(s:sub(1,2))
end
print(s:sub(1,2))

would output:

te
nope
te

-- 
Disclaimer: these emails are public and can be accessed from <TODO: get a non-DHCP IP and put it here>. If you do not agree with this, DO NOT REPLY.