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38 * Declares common utility classes and macros.
40 * This header contains helpers used to implement classes in the library.
41 * It is installed, because the helpers are used in installed headers, but
42 * typically users of the library should not need to be aware of these helpers.
44 * \author Teemu Murtola <teemu.murtola@gmail.com>
46 * \ingroup module_utility
48 #ifndef GMX_UTILITY_CLASSHELPERS_H
49 #define GMX_UTILITY_CLASSHELPERS_H
56 * Macro to declare a class non-copyable and non-assignable.
58 * For consistency, should appear last in the class declaration.
60 * \ingroup module_utility
62 # define GMX_DISALLOW_COPY_AND_ASSIGN(ClassName)
64 # define GMX_DISALLOW_COPY_AND_ASSIGN(ClassName) \
65 ClassName& operator=(const ClassName&) = delete; \
66 ClassName(const ClassName&) = delete
70 * Macro to declare a class non-copyable, non-movable, non-copy-assignable and
71 * non-move-assignable.
73 * For consistency, should appear last in the class declaration.
75 * \ingroup module_utility
77 # define GMX_DISALLOW_COPY_MOVE_AND_ASSIGN(ClassName)
79 # define GMX_DISALLOW_COPY_MOVE_AND_ASSIGN(ClassName) \
80 ClassName& operator=(const ClassName&) = delete; \
81 ClassName(const ClassName&) = delete; \
82 ClassName& operator=(ClassName&&) = delete; /* NOLINT(misc-macro-parentheses,bugprone-macro-parentheses) */ \
83 ClassName(ClassName&&) = delete /* NOLINT(misc-macro-parentheses,bugprone-macro-parentheses) */
86 * Macro to declare a class non-assignable.
88 * For consistency, should appear last in the class declaration.
90 * \ingroup module_utility
92 #define GMX_DISALLOW_ASSIGN(ClassName) ClassName& operator=(const ClassName&) = delete
97 * Macro to declare default constructors
99 * Intended for copyable interfaces or bases classes which require to create custom
100 * destructor (e.g. protected or virtual) but need the default constructors.
102 * \ingroup module_utility
104 # define GMX_DEFAULT_CONSTRUCTORS(ClassName)
106 # define GMX_DEFAULT_CONSTRUCTORS(ClassName) \
107 ClassName() = default; \
108 ClassName& operator=(const ClassName&) = default; /* NOLINT(misc-macro-parentheses,bugprone-macro-parentheses) */ \
109 ClassName(const ClassName&) = default; \
110 ClassName& operator=(ClassName&&) = default; /* NOLINT(misc-macro-parentheses,bugprone-macro-parentheses) */ \
111 ClassName(ClassName&&) = default /* NOLINT(misc-macro-parentheses,bugprone-macro-parentheses) */