Re: upcoming changes in Lua 5.2 [was Re: Location of a package]
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- Subject: Re: upcoming changes in Lua 5.2 [was Re: Location of a package]
- From: "Eric Tetz" <erictetz@...>
- Date: 2008年2月19日 11:58:00 -0800
On Feb 19, 2008 3:50 AM, Roberto Ierusalimschy <roberto@inf.puc-rio.br> wrote:
> We have already implemented several small changes:
Could you consider changing sort to allow any callable object:
--- old/ltablib.c Fri Dec 28 07:32:24 2007
+++ new/ltablib.c Tue Feb 19 11:32:55 2008
@@ -248,8 +248,6 @@
static int sort (lua_State *L) {
int n = aux_getn(L, 1);
luaL_checkstack(L, 40, ""); /* assume array is smaller than 2^40 */
- if (!lua_isnoneornil(L, 2)) /* is there a 2nd argument? */
- luaL_checktype(L, 2, LUA_TFUNCTION);
lua_settop(L, 2); /* make sure there is two arguments */
auxsort(L, 1, n);
return 0;
This is consistent with pcall, xpcall, for, package.loader[n], etc.,
all of which accept any callable object.
Discussed here: http://lua-users.org/lists/lua-l/2008-02/msg00405.html
Cheers,
Eric