Function ktablelen

other_src/lua/src/lpeg.cpp:953–956

** Return the number of elements in the ktable of a pattern. ** in Lua 5.2, default "environment" for patterns is nil, not ** a table. Treat it as an empty table. */

** a table. Treat it as an empty table.
*/
static int ktablelen (lua_State *L, int idx) {
  if (!lua_istable(L, idx)) return 0;
  else return lua_objlen(L, idx);
}


/*