File: cppcoreguidelines-special-member-functions.cpp

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (72 lines) | stat: -rw-r--r-- 3,601 bytes parent folder | download | duplicates (17)
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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
// RUN: %check_clang_tidy %s cppcoreguidelines-special-member-functions %t

class DefinesDestructor {
  ~DefinesDestructor();
};
// CHECK-MESSAGES: [[@LINE-3]]:7: warning: class 'DefinesDestructor' defines a non-default destructor but does not define a copy constructor, a copy assignment operator, a move constructor or a move assignment operator [cppcoreguidelines-special-member-functions]

class DefinesDefaultedDestructor {
  ~DefinesDefaultedDestructor() = default;
};
// CHECK-MESSAGES: [[@LINE-3]]:7: warning: class 'DefinesDefaultedDestructor' defines a default destructor but does not define a copy constructor, a copy assignment operator, a move constructor or a move assignment operator [cppcoreguidelines-special-member-functions]

class DefinesCopyConstructor {
  DefinesCopyConstructor(const DefinesCopyConstructor &);
};
// CHECK-MESSAGES: [[@LINE-3]]:7: warning: class 'DefinesCopyConstructor' defines a copy constructor but does not define a destructor, a copy assignment operator, a move constructor or a move assignment operator [cppcoreguidelines-special-member-functions]

class DefinesCopyAssignment {
  DefinesCopyAssignment &operator=(const DefinesCopyAssignment &);
};
// CHECK-MESSAGES: [[@LINE-3]]:7: warning: class 'DefinesCopyAssignment' defines a copy assignment operator but does not define a destructor, a copy constructor, a move constructor or a move assignment operator [cppcoreguidelines-special-member-functions]

class DefinesMoveConstructor {
  DefinesMoveConstructor(DefinesMoveConstructor &&);
};
// CHECK-MESSAGES: [[@LINE-3]]:7: warning: class 'DefinesMoveConstructor' defines a move constructor but does not define a destructor, a copy constructor, a copy assignment operator or a move assignment operator [cppcoreguidelines-special-member-functions]

class DefinesMoveAssignment {
  DefinesMoveAssignment &operator=(DefinesMoveAssignment &&);
};
// CHECK-MESSAGES: [[@LINE-3]]:7: warning: class 'DefinesMoveAssignment' defines a move assignment operator but does not define a destructor, a copy constructor, a copy assignment operator or a move constructor [cppcoreguidelines-special-member-functions]
class DefinesNothing {
};

class DefinesEverything {
  DefinesEverything(const DefinesEverything &);
  DefinesEverything &operator=(const DefinesEverything &);
  DefinesEverything(DefinesEverything &&);
  DefinesEverything &operator=(DefinesEverything &&);
  ~DefinesEverything();
};

class DeletesEverything {
  DeletesEverything(const DeletesEverything &) = delete;
  DeletesEverything &operator=(const DeletesEverything &) = delete;
  DeletesEverything(DeletesEverything &&) = delete;
  DeletesEverything &operator=(DeletesEverything &&) = delete;
  ~DeletesEverything() = delete;
};

class DeletesCopyDefaultsMove {
  DeletesCopyDefaultsMove(const DeletesCopyDefaultsMove &) = delete;
  DeletesCopyDefaultsMove &operator=(const DeletesCopyDefaultsMove &) = delete;
  DeletesCopyDefaultsMove(DeletesCopyDefaultsMove &&) = default;
  DeletesCopyDefaultsMove &operator=(DeletesCopyDefaultsMove &&) = default;
  ~DeletesCopyDefaultsMove() = default;
};

template <typename T>
struct TemplateClass {
  TemplateClass() = default;
  TemplateClass(const TemplateClass &);
  TemplateClass &operator=(const TemplateClass &);
  TemplateClass(TemplateClass &&);
  TemplateClass &operator=(TemplateClass &&);
  ~TemplateClass();
};

// Multiple instantiations of a class template will trigger multiple matches for defined special members.
// This should not cause problems.
TemplateClass<int> InstantiationWithInt;
TemplateClass<double> InstantiationWithDouble;