| Jonathan Coe | 945cacc | 2016-06-19 19:34:13 +0000 | [diff] [blame] | 1 | // A lightweight class, with pointer-like methods, that contains an int |
| 2 | struct X |
| 3 | { |
| 4 | int i_; |
| 5 | |
| 6 | constexpr const int &operator*() const { return i_; } |
| 7 | constexpr int &operator*() { return i_; } |
| 8 | constexpr const int *get() const { return &i_; } |
| 9 | constexpr int *get() { return &i_; } |
| 10 | constexpr const int *operator->() const { return &i_; } |
| 11 | constexpr int *operator->() { return &i_; } |
| 12 | |
| 13 | constexpr X(int i) : i_(i) {} |
| 14 | }; |
| 15 | |
| 16 | struct XWithImplicitIntStarConversion |
| 17 | { |
| 18 | int i_; |
| 19 | |
| 20 | constexpr const int &operator*() const { return i_; } |
| 21 | constexpr int &operator*() { return i_; } |
| 22 | constexpr const int *get() const { return &i_; } |
| 23 | constexpr int *get() { return &i_; } |
| 24 | constexpr const int *operator->() const { return &i_; } |
| 25 | constexpr int *operator->() { return &i_; } |
| 26 | constexpr operator int* () { return &i_; } |
| 27 | |
| 28 | constexpr XWithImplicitIntStarConversion(int i) : i_(i) {} |
| 29 | }; |
| 30 | |
| 31 | struct XWithImplicitConstIntStarConversion |
| 32 | { |
| 33 | int i_; |
| 34 | |
| 35 | constexpr const int &operator*() const { return i_; } |
| 36 | constexpr int &operator*() { return i_; } |
| 37 | constexpr const int *get() const { return &i_; } |
| 38 | constexpr int *get() { return &i_; } |
| 39 | constexpr const int *operator->() const { return &i_; } |
| 40 | constexpr int *operator->() { return &i_; } |
| 41 | constexpr operator const int* () const { return &i_; } |
| 42 | |
| 43 | constexpr XWithImplicitConstIntStarConversion(int i) : i_(i) {} |
| 44 | }; |
| 45 | |
| 46 | struct ExplicitX |
| 47 | { |
| 48 | int i_; |
| 49 | |
| 50 | constexpr const int &operator*() const { return i_; } |
| 51 | constexpr int &operator*() { return i_; } |
| 52 | constexpr const int *get() const { return &i_; } |
| 53 | constexpr int *get() { return &i_; } |
| 54 | constexpr const int *operator->() const { return &i_; } |
| 55 | constexpr int *operator->() { return &i_; } |
| 56 | |
| 57 | constexpr explicit ExplicitX(int i) : i_(i) {} |
| 58 | }; |
| 59 | |
| 60 | struct MoveConstructibleFromX |
| 61 | { |
| 62 | int i_; |
| 63 | |
| 64 | constexpr const int &operator*() const { return i_; } |
| 65 | constexpr int &operator*() { return i_; } |
| 66 | constexpr const int *get() const { return &i_; } |
| 67 | constexpr int *get() { return &i_; } |
| 68 | constexpr const int *operator->() const { return &i_; } |
| 69 | constexpr int *operator->() { return &i_; } |
| 70 | |
| 71 | constexpr MoveConstructibleFromX(int i) : i_(i) {} |
| 72 | constexpr MoveConstructibleFromX(X&& x) : i_(x.i_) {} |
| 73 | }; |
| 74 | |
| 75 | struct ExplicitMoveConstructibleFromX |
| 76 | { |
| 77 | int i_; |
| 78 | |
| 79 | constexpr const int &operator*() const { return i_; } |
| 80 | constexpr int &operator*() { return i_; } |
| 81 | constexpr const int *get() const { return &i_; } |
| 82 | constexpr int *get() { return &i_; } |
| 83 | constexpr const int *operator->() const { return &i_; } |
| 84 | constexpr int *operator->() { return &i_; } |
| 85 | |
| 86 | constexpr ExplicitMoveConstructibleFromX(int i) : i_(i) {} |
| 87 | constexpr explicit ExplicitMoveConstructibleFromX(X&& x) : i_(x.i_) {} |
| 88 | }; |
| 89 | |
| 90 | struct CopyConstructibleFromX |
| 91 | { |
| 92 | int i_; |
| 93 | |
| 94 | constexpr const int &operator*() const { return i_; } |
| 95 | constexpr int &operator*() { return i_; } |
| 96 | constexpr const int *get() const { return &i_; } |
| 97 | constexpr int *get() { return &i_; } |
| 98 | constexpr const int *operator->() const { return &i_; } |
| 99 | constexpr int *operator->() { return &i_; } |
| 100 | |
| 101 | constexpr CopyConstructibleFromX(int i) : i_(i) {} |
| 102 | constexpr CopyConstructibleFromX(const X& x) : i_(x.i_) {} |
| 103 | }; |
| 104 | |
| 105 | struct ExplicitCopyConstructibleFromX |
| 106 | { |
| 107 | int i_; |
| 108 | |
| 109 | constexpr const int &operator*() const { return i_; } |
| 110 | constexpr int &operator*() { return i_; } |
| 111 | constexpr const int *get() const { return &i_; } |
| 112 | constexpr int *get() { return &i_; } |
| 113 | constexpr const int *operator->() const { return &i_; } |
| 114 | constexpr int *operator->() { return &i_; } |
| 115 | |
| 116 | constexpr ExplicitCopyConstructibleFromX(int i) : i_(i) {} |
| 117 | constexpr explicit ExplicitCopyConstructibleFromX(const X& x) : i_(x.i_) {} |
| 118 | }; |
| 119 | |