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std::vector::vector – cppreference.com

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explicit vector( const Allocator& alloc = Allocator() );

 (1)

explicit vector( size_type count, {{#pad:|6}} const T& value = T(), {{#pad:|6}} const Allocator& alloc = Allocator()); vector( size_type count, {{#pad:|6}} const T& value, {{#pad:|6}} const Allocator& alloc = Allocator());

 (2) (bis C + +11)

(seit C++11)

explicit vector( size_type count );

 (3) (seit C++11)

template< class InputIt > vector( InputIt first, InputIt last, {{#pad:|6}} const Allocator& alloc = Allocator() );

 (4)

vector( const vector& other );

 (5)

vector( const vector& other, const Allocator& alloc );

 (5) (seit C++11)

vector( vector&& other )

 (6) (seit C++11)

vector( vector&& other, const Allocator& alloc );

 (6) (seit C++11)

vector( std::initializer_list<T> init, {{#pad:|6}} const Allocator& alloc = Allocator() );

 (7) (seit C++11)

Konstruiert neuen Container aus einer Vielzahl von Datenquellen und gegebenenfalls unter Verwendung Anwender geliefert allocator alloc .

Original:

Constructs new container from a variety of data sources and optionally using user supplied allocator alloc.

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1)

Standardkonstruktor. Konstruiert leeren Behälter .

Original:

Default constructor. Constructs empty container.

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2)

Konstruiert den Behälter mit count Kopien von Elementen mit dem Wert value .

Original:

Constructs the container with count copies of elements with value value.

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3)

Konstruiert den Behälter mit count Wert initialisiert (Standard gebaut, für Klassen) Instanzen T. Keine Kopien gemacht werden .

Original:

Constructs the container with count value-initialized (default constructed, for classes) instances of T. No copies are made.

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4)

Konstrukte des Behälters mit dem Inhalt des Bereichs [first, last) .

Original:

Constructs the container with the contents of the range [first, last).

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5)

Kopieren Konstruktor. Konstrukte des Behälters mit der Kopie der Inhalte des other. Wenn alloc nicht vorgesehen ist, wird allocator indem std::allocator_traits<allocator_type>::select_on_copy_construction(other) erhalten .

Original:

Copy constructor. Constructs the container with the copy of the contents of other. If alloc is not provided, allocator is obtained by calling std::allocator_traits<allocator_type>::select_on_copy_construction(other).

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6)

Bewegen Konstruktor. Konstrukte des Behälters mit dem Inhalt unter Verwendung other bewegen Semantik. Wenn alloc nicht vorgesehen ist, wird allocator um Zug-Konstruktion aus dem allocator gehörenden other erhalten .

Original:

Move constructor. Constructs the container with the contents of other using move semantics. If alloc is not provided, allocator is obtained by move-construction from the allocator belonging to other.

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7)

Konstruiert den Behälter mit dem Inhalt der Initialisierungsliste init .

Original:

Constructs the container with the contents of the initializer list init.

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Parameter

alloc -

allocator für alle Speicherzuordnungen dieser Behälter

Original:

allocator to use for all memory allocations of this container

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count -

die Größe des Behälters

Original:

the size of the container

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value -

der Wert auf Elemente des Behälters mit initialisieren

Original:

the value to initialize elements of the container with

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first, last -

der Bereich zum Kopieren der Elemente aus

Original:

the range to copy the elements from

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other -

ein weiterer Behälter, der als Quelle, um die Elemente des Behälters mit initialisieren verwendet werden

Original:

another container to be used as source to initialize the elements of the container with

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init -

Initialisiererliste, um die Elemente des Behälters mit initialisieren

Original:

initializer list to initialize the elements of the container with

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Type requirements
-InputIt must meet the requirements of InputIterator.

Komplexität

1)

Constant

Original:

Constant

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2-3)

Linear in count

Original:

Linear in count

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4)

Linear im Abstand zwischen first und last

Original:

Linear in distance between first and last

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5)

Linear in der Größe von other

Original:

Linear in size of other

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6)

Constant. Wenn alloc gegeben und alloc != other.get_allocator(), dann linear .

Original:

Constant. If alloc is given and alloc != other.get_allocator(), then linear.

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7)

Linear in der Größe von init

Original:

Linear in size of init

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Beispiel

#include <vector>
#include <string>

int main() 
{
    // c++11 initializer list syntax:
    std::vector<std::string> words1 {"the", "frogurt", "is", "also", "cursed"};

    // words2 == words1
    std::vector<std::string> words2(words1.begin(), words1.end());

    // words3 == words1
    std::vector<std::string> words3(words1);

    // words4 is {"Mo", "Mo", "Mo", "Mo", "Mo"}
    std::vector<std::string> words4(5, "Mo");

    return 0;
}

Siehe auch

weist Werte auf den Behälter

Original:

assigns values to the container

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(öffentliche Elementfunktion) [edit]

weist Werte auf den Behälter

Original:

assigns values to the container

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(öffentliche Elementfunktion) [edit]