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std::unordered_set::emplace_hint

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std :: unordered_set
Member-Funktionen
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Member functions
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unordered_set::unordered_set
unordered_set::~unordered_set
unordered_set::operator=
unordered_set::get_allocator
Iteratoren
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Iterators
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unordered_set::begin
unordered_set::cbegin
unordered_set::end
unordered_set::cend
Kapazität
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Capacity
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unordered_set::erase
unordered_set::size
unordered_set::max_size
Modifiers
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Modifiers
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unordered_set::clear
unordered_set::insert
unordered_set::emplace
unordered_set::emplace_hint
unordered_set::erase
unordered_set::swap
Lookup
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Lookup
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unordered_set::count
unordered_set::find
unordered_set::equal_range
Eimer Schnittstelle
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Bucket interface
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unordered_set::begin2
unordered_set::end2
unordered_set::bucket_count
unordered_set::max_bucket_count
unordered_set::bucket_size
unordered_set::bucket
Hash Politik
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Hash policy
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unordered_set::load_factor
unordered_set::max_load_factor
unordered_set::rehash
unordered_set::reserve
Beobachter
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Observers
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unordered_set::hash_function
unordered_set::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 is called with exactly the same arguments as supplied to the function, forwarded with std::forward<Args>(args)....
Original:
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 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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If the insertion failed because the element already exists, returns an iterator to the already existing element with the equivalent key.

[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]