Re: Arithmetic on strings

[Dirk Laurie <dirk.laurie@...>]

2012/7/9 Patrick Donnelly <batrick@batbytes.com>:
> On Mon, Jul 9, 2012 at 12:38 AM, Miles Bader <miles@gnu.org> wrote:
>> E.g., I agree that the format %s directive should call tostring on its
>> argument.  But I think (1) string.concat should not,
>

> Off-topic: wouldn't it be nice if we had a string.concat that just did
> (without some sanity checks and maybe luaL_tostring):
>
> int string_concat (lua_State *L)
> {
>   lua_concat(L, lua_gettop(L));
>   return 1;
> }
>

It will take any of us max 10 minutes to write and compile
a module string_concat that returns only that one function.
Then

string.concat = require "string_concat"

does what you want.