91   int e = aux_getn(L, 1) + 1;  /* first empty element */  in tinsert()  local
95       pos = e;  /* insert new element at the end */  in tinsert()
101       if (pos > e) e = pos;  /* `grow' array if necessary */  in tinsert()
102       for (i = e; i > pos; i--) {  /* move up elements */  in tinsert()
112   luaL_setn(L, 1, e);  /* new size */  in tinsert()
119   int e = aux_getn(L, 1);  in tremove()  local
120   int pos = luaL_optint(L, 2, e);  in tremove()
121   if (!(1 <= pos && pos <= e))  /* position is outside bounds? */  in tremove()
123   luaL_setn(L, 1, e - 1);  /* t.n = n-1 */  in tremove()
125   for ( ;pos<e; pos++) {  in tremove()
130   lua_rawseti(L, 1, e);  /* t[e] = nil */  in tremove()