00001 #ifndef PROTON_FUNCTION_HPP 00002 #define PROTON_FUNCTION_HPP 00003 00004 /* 00005 * Licensed to the Apache Software Foundation (ASF) under one 00006 * or more contributor license agreements. See the NOTICE file 00007 * distributed with this work for additional information 00008 * regarding copyright ownership. The ASF licenses this file 00009 * to you under the Apache License, Version 2.0 (the 00010 * "License"); you may not use this file except in compliance 00011 * with the License. You may obtain a copy of the License at 00012 * 00013 * http://www.apache.org/licenses/LICENSE-2.0 00014 * 00015 * Unless required by applicable law or agreed to in writing, 00016 * software distributed under the License is distributed on an 00017 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 00018 * KIND, either express or implied. See the License for the 00019 * specific language governing permissions and limitations 00020 * under the License. 00021 */ 00022 00023 namespace proton { 00024 00033 class void_function0 { 00034 public: 00035 virtual ~void_function0() {} 00037 virtual void operator()() = 0; 00038 }; 00039 00040 } 00041 00042 #endif // PROTON_FUNCTION_HPP