std::unordered_set::insert
<metanoindex/>
<tbody> </tbody> std::pair<iterator,bool> insert( const value_type& value ); |
(1) | (seit C++11) |
std::pair<iterator, bool> insert( value_type&& value ); |
(2) | (seit C++11) |
iterator insert( const_iterator hint, const value_type& value ); |
(3) | (seit C++11) |
iterator insert( const_iterator hint, value_type&& value ); |
(4) | (seit C++11) |
template< class InputIt > void insert( InputIt first, InputIt last ); |
(5) | (seit C++11) |
void insert( std::initializer_list<value_type> ilist ); |
(6) | (seit C++11) |
Fügt Element(e) in den Container ein, falls noch kein Element mit gleichem Schlüssel im Container existiert.
1-2)
einfügen. value. You can help to correct and verify the translation. Click here for instructions.
3-4) Fügt ein Element ein, benutzt dabei den nicht bindenden Hint als Startpunkt für die Suche.
5)
[first, last) .[first, last).You can help to correct and verify the translation. Click here for instructions.
6)
ilist .ilist.You can help to correct and verify the translation. Click here for instructions.
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().
Parameter
| hint | - | Iterator, als Anregung, wo den Inhalt einfügen verwendet
Original: iterator, used as a suggestion as to where to insert the content The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| value | - | Wert des Elements einfügen
Original: element value to insert The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| first, last | - | Bereich von Elementen einzufügen
Original: range of elements to insert The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| ilist | - | Initialisierungsliste um die Werte aus einzufügen
Original: initializer list to insert the values from The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| Type requirements | ||
-InputIt must meet the requirements of InputIterator.
| ||
Rückgabewert
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)
You can help to correct and verify the translation. Click here for instructions.
Komplexität
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)