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std::unordered_map::insert

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std::unordered_map
Les fonctions membres
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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
Les itrateurs
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Iterators
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unordered_map::begin
unordered_map::cbegin
unordered_map::end
unordered_map::cend
Capacit
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Capacity
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unordered_map::erase
unordered_map::size
unordered_map::max_size
Modificateurs
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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
Interface seau
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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
Politique de hachage
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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
Des observateurs
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Observers
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unordered_map::hash_function
unordered_map::key_eq
 
<tbody> </tbody>
std::pair<iterator,bool> insert( const value_type& value );
(1) (depuis C++11)
template <class P> std::pair<iterator,bool> insert( P&& value );
(2) (depuis C++11)
iterator insert( const_iterator hint, const value_type& value );
(3) (depuis C++11)
template <class P> iterator insert( const_iterator hint, P&& value );
(4) (depuis C++11)
template< class InputIt > void insert( InputIt first, InputIt last );
(5) (depuis C++11)
void insert( std::initializer_list<value_type> ilist );
(6) (depuis C++11)

Inserts element(s) to the container, if the container doesn't already contain an element with equivalent key.

1-2)

inserts value.
Original:
inserts value.
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3-4) inserts value, using hint as a non-binding suggestion to where the search should start.

5)

lments inserts de [first, last) plage .
Original:
inserts elements from range [first, last).
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6)

lments inserts de liste d'initialisation ilist .
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inserts elements from initializer list ilist.
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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().

Paramtres

hint -
itrateur, utilis comme une suggestion quant l'endroit o insrer le contenu
Original:
iterator, used as a suggestion as to where to insert the content
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value -
lment de valeur insrer
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element value to insert
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first, last -
ventail d'lments insrer
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range of elements to insert
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ilist -
initialiseur liste d'insrer les valeurs
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initializer list to insert the values from
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Type requirements
-
InputIt must meet the requirements of InputIterator.

Retourne la valeur

1-2) returns a pair consisting of an iterator to the inserted element (or to the element that prevented the insertion) and a bool denoting whether the insertion took place.

3-4) returns an iterator to the inserted element, or to the element that prevented the insertion.

5-6)

aucune .
Original:
none.
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Complexit

1-4) Average case: O(1), worst case O(size())

5-6) Average case: O(N), where N is the number of elements to insert. Worse case: O(N*size()+N)

Voir aussi

construit des lments en mmoire
(fonction membre publique) [edit]
construit lments en place en utilisant un indice
Original:
constructs elements in-place using a hint
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(fonction membre publique) [edit]

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