commit dbb6f11e8ee1eaa496215da5c04af80ec19b4df1
parent aeb4c6fff1da955ebe9f56385e0683d684f8c60c
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Mon, 5 Sep 2016 16:06:08 -0300
bug (with compat on): 'ipairs' can work with any type that provides
an __index; so, 'pairsmeta' should not check for tables. ('pairs'
already checks for tables through 'next'.)
Diffstat:
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lbaselib.c b/lbaselib.c
@@ -1,5 +1,5 @@
/*
-** $Id: lbaselib.c,v 1.312 2015/10/29 15:21:04 roberto Exp roberto $
+** $Id: lbaselib.c,v 1.313 2016/04/11 19:18:40 roberto Exp roberto $
** Basic library
** See Copyright Notice in lua.h
*/
@@ -208,8 +208,8 @@ static int luaB_type (lua_State *L) {
static int pairsmeta (lua_State *L, const char *method, int iszero,
lua_CFunction iter) {
+ luaL_checkany(L, 1);
if (luaL_getmetafield(L, 1, method) == LUA_TNIL) { /* no metamethod? */
- luaL_checktype(L, 1, LUA_TTABLE); /* argument must be a table */
lua_pushcfunction(L, iter); /* will return generator, */
lua_pushvalue(L, 1); /* state, */
if (iszero) lua_pushinteger(L, 0); /* and initial value */