index_tuple.pass.cpp revision b66e1c3f961179f8f5466061a54d6530d1749550 
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
26using namespace std;
27
28struct my_hash
29{
30    size_t operator()(const tuple<int,int>&) const {return 0;}
31};
32
33#endif
34
35int 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