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    std::unordered_map::count

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    <metanoindex/>

     
    C++
     
    Container-Bibliothek
     
    std::unordered_map
    Member-Funktionen
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    Member functions
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    unordered_map::unordered_map
    unordered_map::~unordered_map
    unordered_map::operator=
    unordered_map::get_allocator
    Iteratoren
    Original:
    Iterators
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    unordered_map::begin
    unordered_map::cbegin
    unordered_map::end
    unordered_map::cend
    Kapazität
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    Capacity
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    unordered_map::erase
    unordered_map::size
    unordered_map::max_size
    Modifiers
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    Modifiers
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    unordered_map::clear
    unordered_map::insert
    unordered_map::emplace
    unordered_map::emplace_hint
    unordered_map::erase
    unordered_map::swap
    Lookup
    Original:
    Lookup
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    unordered_map::count
    unordered_map::find
    unordered_map::equal_range
    Eimer Schnittstelle
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    Bucket interface
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    unordered_map::begin2
    unordered_map::end2
    unordered_map::bucket_count
    unordered_map::max_bucket_count
    unordered_map::bucket_size
    unordered_map::bucket
    Hash Politik
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    Hash policy
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    unordered_map::load_factor
    unordered_map::max_load_factor
    unordered_map::rehash
    unordered_map::reserve
    Beobachter
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    Observers
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    unordered_map::hash_function
    unordered_map::key_eq
     
    <tbody> </tbody>
    size_type count( const Key& key ) const;
    Gibt die Anzahl der Elemente mit den wichtigsten key .
    Original:
    Returns the number of elements with key key.
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    Parameter

    key -
    Schlüsselwert der Elemente zu zählen
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    key value of the elements to count
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    Rückgabewert

    Anzahl der Elemente mit den wichtigsten key
    Original:
    Number of elements with key key
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    Komplexität

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

    Siehe auch
    findet Element mit bestimmten Schlüssel
    Original:
    finds element with specific key
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    (öffentliche Elementfunktion) [edit]
    Bandbreite der Rendite von Elementen übereinstimmenden eine bestimmte Taste
    Original:
    returns range of elements matching a specific key
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    (öffentliche Elementfunktion) [edit]