Boost Unordered Translation (zh_Hans)/Doc / Modules / Root / Pages / Reference / Unordered Flat Map (adoc)

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347 :1340

	English Returns:;; The maximum number of elements the container can hold without rehashing, assuming that no further elements will be erased. Note:;; After construction, rehash or clearance, the container's maximum load is at least `max_load_factor() * bucket_count()`. This number may decrease on erasure under high-load conditions. 325/10000 · 325
:1344 :1344

	English --- 3/10000 · 3
349 :1346

	English rehash 6/10000 · 6
350 :1347

	English ```c++ void rehash(size_type n); ``` 36/10000 · 36
351 :1351

	English Changes if necessary the size of the bucket array so that there are at least `n` buckets, and so that the load factor is less than or equal to the maximum load factor. When applicable, this will either grow or shrink the `bucket_count()` associated with the container. 268/10000 · 268
352 :1353

	English When `size() == 0`, `rehash(0)` will deallocate the underlying buckets array. If the provided Allocator uses fancy pointers, a default allocation is subsequently performed. 172/10000 · 172
:1355 :1355

	English Invalidates iterators, pointers and references, and changes the order of elements. 82/10000 · 82
:1358 :1358

	English Throws:;; The function has no effect if an exception is thrown, unless it is thrown by the container's hash function or comparison function. 140/10000 · 140
:1360 :1360

	English --- 3/10000 · 3
356 :1362

	English reserve 7/10000 · 7
357 :1363

	English ```c++ void reserve(size_type n); ``` 37/10000 · 37
358 :1367

	English Equivalent to `a.rehash(ceil(n / a.max_load_factor()))`. 56/10000 · 56
359 :1369

	English Similar to `rehash`, this function can be used to grow or shrink the number of buckets in the container. 104/10000 · 104
:1371 :1371

	English Invalidates iterators, pointers and references, and changes the order of elements. 82/10000 · 82
:1374 :1374

	English Throws:;; The function has no effect if an exception is thrown, unless it is thrown by the container's hash function or comparison function. 140/10000 · 140
:1376 :1376

	English --- 3/10000 · 3
363 :1378

	English Statistics 10/10000 · 10
364 :1380

	English get_stats 9/10000 · 9
365 :1381

	English ```c++ stats get_stats() const; ``` 35/10000 · 35
366 :1386

	English Returns:;; A statistical description of the insertion and lookup operations performed by the container so far. Notes:;; Only available if xref:reference/stats.adoc#stats[statistics calculation] is xref:unordered_flat_map_boost_unordered_enable_stats[enabled]. 259/10000 · 259

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