1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <unordered_map> 11 12 // template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>, 13 // class Alloc = allocator<pair<const Key, T>>> 14 // class unordered_map 15 16 // mapped_type& operator[](const key_type& k); 17 18 // http://llvm.org/bugs/show_bug.cgi?id=16542 19 20 #include <unordered_map> 21 22 #ifndef _LIBCPP_HAS_NO_VARIADICS 23 24 #include <tuple> 25 26 using namespace std; 27 28 struct my_hash 29 { 30 size_t operator()(const tuple<int,int>&) const {return 0;} 31 }; 32 33 #endif 34 35 int main() 36 { 37 #ifndef _LIBCPP_HAS_NO_VARIADICS 38 unordered_map<tuple<int,int>, size_t, my_hash> m; 39 m[make_tuple(2,3)]=7; 40 #endif 41 } 42
