p5-example.cpp revision 175c5bb2b09217df71319cb3d58b3c511fd04138 
1// RUN: %clang_cc1 -fsyntax-only -verify %s
2template<class T> struct A {
3       struct B { };
4       template<class U> struct C { };
5};
6     template<> struct A<int> {
7       void f(int);
8};
9void h() {
10  A<int> a;
11  a.f(16);
12}
13// A<int>::f must be defined somewhere
14// template<> not used for a member of an // explicitly specialized class template
15void A<int>::f(int) { /* ... */ }
16  template<> struct A<char>::B {
17    void f();
18};
19// template<> also not used when defining a member of // an explicitly specialized member class
20void A<char>::B::f() { /* ... */ }
21  template<> template<class U> struct A<char>::C {
22    void f();
23};
24
25template<>
26template<class U> void A<char>::C<U>::f() { /* ... */ }
27  template<> struct A<short>::B {
28    void f();
29};
30template<> void A<short>::B::f() { /* ... */ } // expected-error{{no function template matches function template specialization 'f'}}
31  template<> template<class U> struct A<short>::C {
32    void f();
33};
34template<class U> void A<short>::C<U>::f() { /* ... */ } // expected-error{{template parameter list matching the non-templated nested type 'A<short>' should be empty ('template<>')}}
35