| // checking for friend templates of templates |
| |
| /*************************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed |
| * with this work for additional information regarding copyright |
| * ownership. The ASF licenses this file to you under the Apache |
| * License, Version 2.0 (the License); you may not use this file |
| * except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| * implied. See the License for the specific language governing |
| * permissions and limitations under the License. |
| * |
| * Copyright 1999-2007 Rogue Wave Software, Inc. |
| * |
| **************************************************************************/ |
| |
| #include "config.h" |
| |
| |
| template <class T> |
| struct A { enum { i }; }; |
| |
| template <class T> |
| struct B |
| { |
| private: |
| |
| template <class U, class V> |
| friend int foo (A<U>, B<V>); |
| |
| int bar (int i) const { return i; } |
| }; |
| |
| template <class T, class U> |
| int foo (A<T> a, B<U> b) |
| { |
| return b.bar (a.i); |
| } |
| |
| #ifndef _RWSTD_NO_EXPLICIT_FUNC_INSTANTIATION |
| |
| // explicitly instantiate to detect bugs such as SunPro 5.3's PR #30227 |
| template int foo (A<int>, B<double>); |
| |
| #endif // _RWSTD_NO_EXPLICIT_FUNC_INSTANTIATION |
| |
| int baz () |
| { |
| A<int> a; |
| B<double> b; |
| |
| return foo (a, b); |
| } |