/usr/include/proton/function.hpp is in libqpid-proton-cpp8-dev 0.14.0-5.1ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | #ifndef PROTON_FUNCTION_HPP
#define PROTON_FUNCTION_HPP
/*
* 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.
*/
namespace proton {
/// A C++03 compatible void no-argument callback function object, used by
/// container::schedule() and event_loop::inject()
/// In C++11 you can use std::bind, std::function or a void-no-argument lambda instead.
///
/// void_function0 is passed by reference, so instances of sub-classes do not
/// have to be heap allocated. Once passed, the instance must not be deleted until
/// its operator() is called or the container has stopped.
///
class void_function0 {
public:
virtual ~void_function0() {}
/// Override the call operator with your code.
virtual void operator()() = 0;
};
}
#endif // PROTON_FUNCTION_HPP
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