comparison: src/model.h
src/model.h
- changeset 218
- 63125c36de73
- parent 212
- 27259810da6d
- child 232
- 8efa3a33172e
equal
deleted
inserted
replaced
| 217:6d95c1a41e6e | 218:63125c36de73 |
|---|---|
| 45 QString code; | 45 QString code; |
| 46 }; | 46 }; |
| 47 | 47 |
| 48 struct Empty {}; | 48 struct Empty {}; |
| 49 | 49 |
| 50 template<typename T, typename R> | |
| 51 struct transfer_reference | |
| 52 { | |
| 53 using type = std::remove_reference_t<R>; | |
| 54 }; | |
| 55 | |
| 56 template<typename T, typename R> | |
| 57 struct transfer_reference<T&, R> | |
| 58 { | |
| 59 using type = std::remove_reference_t<R>&; | |
| 60 }; | |
| 61 | |
| 62 template<typename T, typename R> | |
| 63 struct transfer_reference<const T&, R> | |
| 64 { | |
| 65 using type = const std::remove_reference_t<R>&; | |
| 66 }; | |
| 67 | |
| 68 template<typename T, typename R> | |
| 69 struct transfer_reference<T&&, R> | |
| 70 { | |
| 71 using type = std::remove_reference_t<R>&&; | |
| 72 }; | |
| 73 | |
| 74 template<typename T, typename R> | |
| 75 using transfer_reference_t = typename transfer_reference<T, R>::type; | |
| 76 static_assert(std::is_same_v<transfer_reference_t<int, char>, char>); | |
| 77 static_assert(std::is_same_v<transfer_reference_t<int&, char>, char&>); | |
| 78 static_assert(std::is_same_v<transfer_reference_t<int&&, char>, char&&>); | |
| 79 | |
| 80 using ModelElement = std::variant< | 50 using ModelElement = std::variant< |
| 81 Colored<SubfileReference>, | 51 Colored<SubfileReference>, |
| 82 Colored<LineSegment>, | 52 Colored<LineSegment>, |
| 83 Colored<Triangle>, | 53 Colored<Triangle>, |
| 84 Colored<Quadrilateral>, | 54 Colored<Quadrilateral>, |
| 140 | 110 |
| 141 template<typename T, typename Fn> | 111 template<typename T, typename Fn> |
| 142 constexpr void visitPoints(Fn&& func, T&& element) | 112 constexpr void visitPoints(Fn&& func, T&& element) |
| 143 { | 113 { |
| 144 visitPolygon<void>( | 114 visitPolygon<void>( |
| 145 [&func](transfer_reference_t<T&&, LineSegment> edge) | 115 [&func](transfer_cvref_t<T&&, LineSegment> edge) |
| 146 { | 116 { |
| 147 func(edge.p1); | 117 func(edge.p1); |
| 148 func(edge.p2); | 118 func(edge.p2); |
| 149 }, | 119 }, |
| 150 [&func](transfer_reference_t<T&&, Triangle>& tri) | 120 [&func](transfer_cvref_t<T&&, Triangle>& tri) |
| 151 { | 121 { |
| 152 func(tri.p1); | 122 func(tri.p1); |
| 153 func(tri.p2); | 123 func(tri.p2); |
| 154 func(tri.p3); | 124 func(tri.p3); |
| 155 }, | 125 }, |
| 156 [&func](transfer_reference_t<T&&, Quadrilateral>& quad) | 126 [&func](transfer_cvref_t<T&&, Quadrilateral>& quad) |
| 157 { | 127 { |
| 158 func(quad.p1); | 128 func(quad.p1); |
| 159 func(quad.p2); | 129 func(quad.p2); |
| 160 func(quad.p3); | 130 func(quad.p3); |
| 161 func(quad.p4); | 131 func(quad.p4); |
| 162 }, | 132 }, |
| 163 [&func](transfer_reference_t<T&&, ConditionalEdge>& cedge) | 133 [&func](transfer_cvref_t<T&&, ConditionalEdge>& cedge) |
| 164 { | 134 { |
| 165 func(cedge.p1); | 135 func(cedge.p1); |
| 166 func(cedge.p2); | 136 func(cedge.p2); |
| 167 func(cedge.c1); | 137 func(cedge.c1); |
| 168 func(cedge.c2); | 138 func(cedge.c2); |
