std::list::merge

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std::list

Member-Funktionen Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

list::list

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Elementzugriff zerstört Original: Element access The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

list::front

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Iteratoren Original: Iterators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

list::begin list::cbegin (C++11)

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list::rbegin list::crbegin (C++11)

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Kapazität Original: Capacity The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

list::empty

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Modifiers Original: Modifiers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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Operations Original: Operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

list::merge

list::splice

list::remove list::remove_if

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<tbody> </tbody>

void merge( list& other );	(1)
void merge( list&& other );	(1)	(seit C++11)
template <class Compare> void merge( list& other, Compare comp );	(2)
template <class Compare> void merge( list&& other, Compare comp );	(2)	(seit C++11)

Führt zwei sortierte Listen in einem. Die Listen sollten in aufsteigender Reihenfolge sortiert werden .

Original:

Merges two sorted lists into one. The lists should be sorted into ascending order.

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Keine Elemente kopiert werden. Der Behälter other leer nach der Operation. Die Funktion tut nichts, wenn this == &other. Wenn get_allocator() != other.get_allocator(), ist das Verhalten undefiniert. Keine Iteratoren oder Referenzen geworden ungültig, außer dass die Iteratoren der bewegten Elemente nun in *this beziehen, nicht in other. Die erste Version verwendet operator< um die Elemente zu vergleichen, verwendet die zweite Version des gegebenen Vergleichsfunktion comp .

Original:

No elements are copied. The container other becomes empty after the operation. The function does nothing if this == &other. If get_allocator() != other.get_allocator(), the behavior is undefined. No iterators or references become invalidated, except that the iterators of moved elements now refer into *this, not into other. The first version uses operator< to compare the elements, the second version uses the given comparison function comp.

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Parameter

other	-	ein weiterer Behälter zu verschmelzen Original: another container to merge The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
comp	-	comparison function which returns ​true if the first argument is less than the second. The signature of the comparison function should be equivalent to the following: bool cmp(const Type1 &a, const Type2 &b); The signature does not need to have const &, but the function must not modify the objects passed to it. The types Type1 and Type2 must be such that an object of type list<T,Allocator>::const_iterator can be dereferenced and then implicitly converted to both of them. ​

Rückgabewert

(None)

Original:

(none)

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Beispiel

#include <iostream>
#include <list>
 
std::ostream& operator<<(std::ostream& ostr, const std::list<int>& list)
{
    for (auto &i : list) {
        ostr << " " << i;
    }
    return ostr;
}
 
int main()
{
    std::list<int> list1 = { 5,9,0,1,3 };
    std::list<int> list2 = { 8,7,2,6,4 };
 
    list1.sort();
    list2.sort();
    std::cout << "list1:  " << list1 << "\n";
    std::cout << "list2:  " << list2 << "\n";
    list1.merge(list2);
    std::cout << "merged: " << list1 << "\n";
}

Output:

list1:   0 1 3 5 9
list2:   2 4 6 7 8
merged:  0 1 2 3 4 5 6 7 8 9

Komplexität

höchstens size() + other.size() - 1 Vergleiche .

Original:

at most size() + other.size() - 1 comparisons.

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Siehe auch

splice	Elemente aus einem anderen bewegt list Original: moves elements from another list The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (öffentliche Elementfunktion)