| // checking for dummy default arguments |
| |
| /*************************************************************************** |
| * |
| * 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. |
| * |
| **************************************************************************/ |
| |
| template <class T> |
| T foo (const T* = 0) { return T (); } |
| |
| template <> |
| int foo<int>(const int*) { return 1; } |
| |
| template <> |
| long foo<long>(const long*) { return 2; } |
| |
| |
| struct X { }; |
| |
| template <class T> |
| struct A { |
| int i_; |
| |
| A (int i): i_ (i) { } |
| }; |
| |
| template <class T> |
| struct B { |
| int i_; |
| |
| B (int i): i_ (i) { } |
| }; |
| |
| |
| template <class T> |
| T bar (const X&, const T* = 0) { return T (); } |
| |
| template <> |
| A<int> bar<A<int> >(const X&, const A<int>*) { return A<int>(1); } |
| |
| template <> |
| B<long> bar<B<long> >(const X&, const B<long>*) { return B<long>(2); } |
| |
| |
| int main () |
| { |
| int result = 0; |
| |
| if (0 != foo<char>()) |
| result = result << 1 + 1; |
| |
| if (1 != foo<int>()) |
| result = result << 1 + 1; |
| |
| if (2 != foo<long>()) |
| result = result << 1 + 1; |
| |
| X x; |
| |
| if (0 != bar<char>(x)) |
| result = result << 1 + 1; |
| |
| if (1 != bar<A<int> >(x).i_) |
| result = result << 1 + 1; |
| |
| if (2 != bar<B<long> >(x).i_) |
| result = result << 1 + 1; |
| |
| return result; |
| } |