Re: proposal for reading individual characters from strings faster

[Thomas Jericke <tjericke@...>]

On 05/06/2014 07:31 AM, Coroutines wrote:
> On Mon, May 5, 2014 at 10:14 PM, Thomas Jericke <tjericke@indel.ch> wrote:
>
> > It would only be a problem for user defined metatables for string that
> > define numerical index, with a different meaning.
>
> I think I would amend how I originally wrote the __index:
>
> debug.getmetatable('').__index = function (s, k) return string[k] or
> string.byte(s, k, k) end
You would use the metatable as default and the byte index as fall-back? 
I would find that
extremely unpredictable and counter-intuitive. It is quite the opposite 
of anything in standard Lua.
--
Thomas