comparison: src/main.h
src/main.h
- changeset 97
- d9a3b153f679
- parent 96
- 165777a20dc7
- child 101
- 910890292639
equal
deleted
inserted
replaced
| 96:165777a20dc7 | 97:d9a3b153f679 |
|---|---|
| 151 .arg(toDouble(vec.x)) | 151 .arg(toDouble(vec.x)) |
| 152 .arg(toDouble(vec.y)) | 152 .arg(toDouble(vec.y)) |
| 153 .arg(toDouble(vec.z)) | 153 .arg(toDouble(vec.z)) |
| 154 .arg(toDouble(vec.w)); | 154 .arg(toDouble(vec.w)); |
| 155 } | 155 } |
| 156 | |
| 157 template<typename K, typename V> | |
| 158 struct KeyValuePair | |
| 159 { | |
| 160 K key; | |
| 161 V value; | |
| 162 }; | |
| 163 | |
| 164 template<typename K, typename V, typename IteratorType> | |
| 165 struct MapItemsIterator : IteratorType | |
| 166 { | |
| 167 template<typename... Ts> | |
| 168 MapItemsIterator(Ts&&... args) : IteratorType{args...} {} | |
| 169 auto operator*() const | |
| 170 { | |
| 171 return KeyValuePair<K, V>{this->key(), this->value()}; | |
| 172 } | |
| 173 }; | |
| 174 | |
| 175 template<typename K, typename V, typename MapType, typename IteratorType> | |
| 176 struct MapItems | |
| 177 { | |
| 178 MapType& map; | |
| 179 IteratorType begin() | |
| 180 { | |
| 181 return IteratorType(this->map.begin()); | |
| 182 } | |
| 183 | |
| 184 IteratorType end() | |
| 185 { | |
| 186 return IteratorType(this->map.end()); | |
| 187 } | |
| 188 }; | |
| 189 | |
| 190 /* | |
| 191 * Python's dict.items for QMap: use in a for loop to iterate a map to | |
| 192 * get both keys and values. Iteration yields KeyValuePairs. | |
| 193 */ | |
| 194 template<typename K, typename V> | |
| 195 auto items(const QMap<K, V>& map) | |
| 196 { | |
| 197 return MapItems< | |
| 198 const K&, | |
| 199 const V&, | |
| 200 const QMap<K, V>, | |
| 201 MapItemsIterator<K, const V, typename QMap<K, V>::const_iterator> | |
| 202 >{map}; | |
| 203 } | |
| 204 | |
| 205 template<typename K, typename V> | |
| 206 auto items(QMap<K, V>& map) | |
| 207 { | |
| 208 return MapItems< | |
| 209 const K&, | |
| 210 V&, | |
| 211 QMap<K, V>, | |
| 212 MapItemsIterator<K, const V, typename QMap<K, V>::iterator> | |
| 213 >{map}; | |
| 214 } |
