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:1095 :1095

	English If `Allocator::propagate_on_container_swap` is declared and `Allocator::propagate_on_container_swap::value` is `true` then the containers' allocators are swapped. Otherwise, swapping with unequal allocators results in undefined behavior. 237/10000 · 237
280 :1098

	English Throws:;; Doesn't throw an exception unless it is thrown by the copy constructor or copy assignment operator of `key_equal` or `hasher`. Notes:;; The exception specifications aren't quite the same as the C++11 standard, as the equality predicate and hash function are swapped using their copy constructors. 306/10000 · 306
:1101 :1101

	English --- 3/10000 · 3
282 :1103

	English clear 5/10000 · 5
283 :1104

	English ```c++ void clear() noexcept; ``` 33/10000 · 33
284 :1108

	English Erases all elements in the container. 37/10000 · 37
285 :1111

	English Postconditions:;; `size() == 0` Throws:;; Never throws an exception. 68/10000 · 68
:1114 :1114

	English --- 3/10000 · 3
287 :1116

	English merge 5/10000 · 5
288 :1117

	English ```c++ template<class H2, class P2> void merge(unordered_set<Key, H2, P2, Allocator>& source); template<class H2, class P2> void merge(unordered_set<Key, H2, P2, Allocator>&& source); template<class H2, class P2> void merge(unordered_multiset<Key, H2, P2, Allocator>& source); template<class H2, class P2> void merge(unordered_multiset<Key, H2, P2, Allocator>&& source); ``` 374/10000 · 374
289 :1128

	English Attempt to "merge" two containers by iterating `source` and extracting any node in `source` that is not contained in `this` and then inserting it into `this`. 160/10000 · 160
290 :1131

	English Because `source` can have a different hash function and key equality predicate, the key of each node in `source` is rehashed using `this\->hash_function()` and then, if required, compared using `this\->key_eq()`. 212/10000 · 212
291 :1134

	English The behavior of this function is undefined if `this\->get_allocator() != source.get_allocator()`. 97/10000 · 97
292 :1136

	English This function does not copy or move any elements and instead simply relocates the nodes from `source` into `*this`. 115/10000 · 115
293 :1140

	English Notes:;; + -- 13/10000 · 13
294 :1143

	English Pointers and references to transferred elements remain valid. 61/10000 · 61
295 :1144

	English Invalidates iterators to transferred elements. 46/10000 · 46
296 :1145

	English Invalidates iterators belonging to `*this`. 43/10000 · 43
297 :1146

	English Iterators to non-transferred elements in `source` remain valid. 63/10000 · 63
298 :1147

	English -- 2/10000 · 2

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