1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s 2 3 // Note: Partial ordering of function templates containing template 4 // parameter packs is independent of the number of deduced arguments 5 // for those template parameter packs. 6 template<class ...> struct Tuple { }; 7 template<class ... Types> int &g(Tuple<Types ...>); // #1 8 template<class T1, class ... Types> float &g(Tuple<T1, Types ...>); // #2 9 template<class T1, class ... Types> double &g(Tuple<T1, Types& ...>); // #3 10 11 void test_g() { 12 int &ir1 = g(Tuple<>()); 13 float &fr1 = g(Tuple<int, float>()); 14 double &dr1 = g(Tuple<int, float&>()); 15 double &dr2 = g(Tuple<int>()); 16 } 17 18 template<class ... Types> int &h(int (*)(Types ...)); // #1 19 template<class T1, class ... Types> float &h(int (*)(T1, Types ...)); // #2 20 template<class T1, class ... Types> double &h(int (*)(T1, Types& ...)); // #3 21 22 void test_h() { 23 int &ir1 = h((int(*)())0); 24 float &fr1 = h((int(*)(int, float))0); 25 double &dr1 = h((int(*)(int, float&))0); 26 double &dr2 = h((int(*)(int))0); 27 } 28
