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std::unordered_multimap::emplace_hint

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std :: unordered_multimap
Member-Funktionen
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Member functions
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unordered_multimap::unordered_multimap
unordered_multimap::~unordered_multimap
unordered_multimap::operator=
unordered_multimap::get_allocator
Iteratoren
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Iterators
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unordered_multimap::begin
unordered_multimap::cbegin
unordered_multimap::end
unordered_multimap::cend
Kapazität
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Capacity
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unordered_multimap::erase
unordered_multimap::size
unordered_multimap::max_size
Modifiers
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Modifiers
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unordered_multimap::clear
unordered_multimap::insert
unordered_multimap::emplace
unordered_multimap::emplace_hint
unordered_multimap::erase
unordered_multimap::swap
Lookup
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Lookup
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unordered_multimap::count
unordered_multimap::find
unordered_multimap::equal_range
Eimer Schnittstelle
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Bucket interface
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unordered_multimap::begin2
unordered_multimap::end2
unordered_multimap::bucket_count
unordered_multimap::max_bucket_count
unordered_multimap::bucket_size
unordered_multimap::bucket
Hash Politik
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Hash policy
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unordered_multimap::load_factor
unordered_multimap::max_load_factor
unordered_multimap::rehash
unordered_multimap::reserve
Beobachter
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Observers
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unordered_multimap::hash_function
unordered_multimap::key_eq
 
template <class... Args>
iterator emplace_hint( const_iterator hint, Args&&... args );
(seit C++11)
Fügt ein neues Element in den Behälter mit hint als Anregung, wo das Element gehen sollte. Das Element in-place ist so aufgebaut, dh kein Kopieren oder Verschieben von Operationen durchgeführt werden. The constructor of the element type (value_type, that is, std::pair<const Key, T>) is called with exactly the same arguments as supplied to the function, forwarded with std::forward<Args>(args)....
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Inserts a new element to the container, using hint as a suggestion where the element should go. The element is constructed in-place, i.e. no copy or move operations are performed. The constructor of the element type (value_type, that is, std::pair<const Key, T>) is called with exactly the same arguments as supplied to the function, forwarded with std::forward<Args>(args)....
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If rehashing occurs due to the insertion, all iterators are invalidated. Otherwise iterators are not affected. References are not invalidated. Rehashing occurs only if the new number of elements is higher than max_load_factor()*bucket_count().

Inhaltsverzeichnis

[Bearbeiten] Parameter

hint -
Iterator, als Anregung, wo das neue Element eingefügt werden
Original:
iterator, used as a suggestion as to where to insert the new element
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args -
Argumente, die an den Konstruktor des Elements weiterzuleiten
Original:
arguments to forward to the constructor of the element
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[Bearbeiten] Rückgabewert

Gibt einen Iterator auf das neu eingefügte Element .
Original:
Returns an iterator to the newly inserted element.
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None

[Bearbeiten] Komplexität

Amortized constant on average, worst case linear in the size of the container.

[Bearbeiten] Siehe auch

constructs element in-place
(öffentliche Elementfunktion) [edit]
Einsätze Elemente
Original:
inserts elements
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(öffentliche Elementfunktion) [edit]