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    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
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    Iterators
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    unordered_map::begin
    unordered_map::cbegin
    unordered_map::end
    unordered_map::cend
    Kapazitt
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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
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    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>
    T& at( const Key& key );
    		 (1) (seit C++11)
    const T & at( const Key& key ) const;
    		 (2) (seit C++11)

    Gibt einen Verweis auf den Wert des Elements zurck, das dem Schlssel key zugeordnet ist. Wenn kein solches Element vorhanden ist, wird eine Ausnahme vom Typ std::out_of_range geworfen.

    Parameter

    key - der Schlssel des zu findenden Elements

    Rckgabewert

    Der Verweis auf den Wert des angeforderten Elements

    Ausnahmen

    std::out_of_range wenn der Behlter kein Element mit dem angegebenen key enthlt

    Komplexitt

    Durchschnittlicher Fall: konstant, schlechtester Fall: linear mit der Gre.

    Siehe auch
    Zugriff auf angegebene Element
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    access specified element
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    (ffentliche Elementfunktion) [edit]
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