Re: 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@...>]

On 08/12/14 02:15 PM, Dirk Laurie wrote:
> 2014-12-08 17:52 GMT+02:00 Thiago L. <fakedme@gmail.com>:
> > 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
> Do you expect the relationship
>     `_ENV.string == getmetatable"".__index`
> to survive?
local _ENV = {string = {}}
print(_ENV.string == getmetatable"".__index) --> false

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