1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s 2 // expected-no-diagnostics 3 4 // Note: Partial ordering of function templates containing template 5 // parameter packs is independent of the number of deduced arguments 6 // for those template parameter packs. 7 template<class ...> struct Tuple { }; 8 template<class ... Types> int &g(Tuple<Types ...>); // #1 9 template<class T1, class ... Types> float &g(Tuple<T1, Types ...>); // #2 10 template<class T1, class ... Types> double &g(Tuple<T1, Types& ...>); // #3 11 12 void test_g() { 13 int &ir1 = g(Tuple<>()); 14 float &fr1 = g(Tuple<int, float>()); 15 double &dr1 = g(Tuple<int, float&>()); 16 double &dr2 = g(Tuple<int>()); 17 } 18 19 template<class ... Types> int &h(int (*)(Types ...)); // #1 20 template<class T1, class ... Types> float &h(int (*)(T1, Types ...)); // #2 21 template<class T1, class ... Types> double &h(int (*)(T1, Types& ...)); // #3 22 23 void test_h() { 24 int &ir1 = h((int(*)())0); 25 float &fr1 = h((int(*)(int, float))0); 26 double &dr1 = h((int(*)(int, float&))0); 27 double &dr2 = h((int(*)(int))0); 28 } 29
