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

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	English A unary function object type that acts a hash function for a `Key`. It takes a single argument of type `Key` and returns a value of type `std::size_t`. 151/10000 · 151
17 :297

	English _Pred_ 6/10000 · 6
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	English A binary function object that induces an equivalence relation on values of type `Key`. It takes two arguments of type `Key` and returns a value of type `bool`. 159/10000 · 159
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	English _Allocator_ 11/10000 · 11
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	English An allocator whose value type is the same as the container's value type. 72/10000 · 72
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	English Allocators using https://en.cppreference.com/w/cpp/named_req/Allocator#Fancy_pointers[fancy pointers] are supported. 116/10000 · 116
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	English The elements of the container are held into an internal _bucket array_. An element is inserted into a bucket determined by its hash code, but if the bucket is already occupied (a _collision_), an available one in the vicinity of the original position is used. 259/10000 · 259
23 :315

	English The size of the bucket array can be automatically increased by a call to `insert`/`emplace`, or as a result of calling `rehash`/`reserve`. The _load factor_ of the container (number of elements divided by number of buckets) is never greater than `max_load_factor()`, except possibly for small sizes where the implementation may decide to allow for higher loads. 361/10000 · 361
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	English If `link:../../../../../container_hash/doc/html/hash.html#ref_hash_is_avalanchinghash[hash_is_avalanching]<Hash>::value` is `true`, the hash function is used as-is; otherwise, a bit-mixing post-processing stage is added to increase the quality of hashing at the expense of extra computational cost. 298/10000 · 298
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	English --- 3/10000 · 3
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	English Configuration Macros 20/10000 · 20
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	English `BOOST_UNORDERED_ENABLE_STATS` 30/10000 · 30
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	English Globally define this macro to enable xref:reference/stats.adoc#stats[statistics calculation] for the container. Note that this option decreases the overall performance of many operations. 187/10000 · 187
:333 :333

	English --- 3/10000 · 3
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	English Typedefs 8/10000 · 8
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	English An iterator whose value type is `value_type`. 45/10000 · 45
:344 :344

	English The iterator category is at least a forward iterator. 53/10000 · 53
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	English Convertible to `const_iterator`. 32/10000 · 32
:348 :348

	English --- 3/10000 · 3
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	English A constant iterator whose value type is `value_type`. 53/10000 · 53

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