iceoryx_hoofs 2.0.3
newtype.hpp
1// Copyright (c) 2020 by Robert Bosch GmbH. All rights reserved.
2// Copyright (c) 2021 by Apex.AI Inc. All rights reserved.
3//
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at
7//
8// http://www.apache.org/licenses/LICENSE-2.0
9//
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15//
16// SPDX-License-Identifier: Apache-2.0
17#ifndef IOX_HOOFS_CXX_NEWTYPE_HPP
18#define IOX_HOOFS_CXX_NEWTYPE_HPP
19
20#include "iceoryx_hoofs/cxx/algorithm.hpp"
21#include "iceoryx_hoofs/internal/cxx/newtype/assignment.hpp"
22#include "iceoryx_hoofs/internal/cxx/newtype/comparable.hpp"
23#include "iceoryx_hoofs/internal/cxx/newtype/constructor.hpp"
24#include "iceoryx_hoofs/internal/cxx/newtype/convertable.hpp"
25#include "iceoryx_hoofs/internal/cxx/newtype/internal.hpp"
26#include "iceoryx_hoofs/internal/cxx/newtype/protected_constructor.hpp"
27#include "iceoryx_hoofs/internal/cxx/newtype/sortable.hpp"
28
29#include <type_traits>
30
31namespace iox
32{
33namespace cxx
34{
72template <typename T, template <typename> class... Policies>
73class NewType : public Policies<NewType<T, Policies...>>...
74{
75 protected:
76 NewType(newtype::internal::ProtectedConstructor_t, const T& rhs) noexcept;
77
78 public:
80 using ThisType = NewType<T, Policies...>;
82 using value_type = T;
83
85 NewType() noexcept;
86
88 explicit NewType(const T& rhs) noexcept;
89
91 NewType(const NewType& rhs) noexcept;
92
94 NewType(NewType&& rhs) noexcept;
95
97 NewType& operator=(const NewType& rhs) noexcept;
98
100 NewType& operator=(NewType&& rhs) noexcept;
101
103 NewType& operator=(const T& rhs) noexcept;
104
106 NewType& operator=(T&& rhs) noexcept;
107
109 explicit operator T() const noexcept;
110
111 template <typename Type>
112 friend typename Type::value_type newtype::internal::newTypeAccessor(const Type&) noexcept;
113
114 private:
115 T m_value;
116};
117} // namespace cxx
118} // namespace iox
119
120#include "iceoryx_hoofs/internal/cxx/newtype.inl"
121
122#endif
Implementation of the haskell NewType pattern: https://wiki.haskell.org/Newtype Lets say you would li...
Definition: newtype.hpp:74
T value_type
the type of the underlying value
Definition: newtype.hpp:82
NewType() noexcept
default constructor
building block to easily create free function for logging in a library context
Definition: lockfree_queue.hpp:29