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std::vector::assign

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C++
 
Container-Bibliothek
 
std::vector
Member-Funktionen
Original:
Member functions
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vector::vector
vector::~vector
vector::operator=
vector::assign
vector::get_allocator
Elementzugriff zerstört
Original:
Element access
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vector::at
vector::operator[]
vector::front
vector::back
vector::data(C++11)
Iteratoren
Original:
Iterators
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vector::begin
vector::cbegin
(C++11)
vector::end
vector::cend
(C++11)
vector::rbegin
vector::crbegin
(C++11)
vector::rend
vector::crend
(C++11)
Kapazität
Original:
Capacity
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vector::empty
vector::size
vector::max_size
vector::reserve
vector::capacity
vector::shrink_to_fit(C++11)
Modifiers
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Modifiers
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vector::clear
vector::insert
vector::emplace(C++11)
vector::erase
vector::push_back
vector::emplace_back(C++11)
vector::pop_back
vector::resize
vector::swap
 
void assign( size_type count, const T& value );
 (1)
template< class InputIt >
void assign( InputIt first, InputIt last );
 (2)
Ersetzt den Inhalt des Behälters .
Original:
Replaces the contents of the container.
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1)
ersetzt den Inhalt mit count Kopien Wert value
Original:
replaces the contents with count copies of value value
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2)
ersetzt den Inhalt mit Kopien von den im Bereich [first, last)
Original:
replaces the contents with copies of those in the range [first, last)
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Inhaltsverzeichnis

[Bearbeiten] Parameter

count -
die neue Größe des Behälters
Original:
the new 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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Type requirements
-
InputIt must meet the requirements of InputIterator.

[Bearbeiten] Komplexität

1)
linear in count
Original:
linear in count
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2)
linear in Abstand zwischen first und last
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linear in distance between first and last
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[Bearbeiten] Beispiel

Der folgende Code verwendet assign um mehrere Zeichen zu einem std::vector<char> hinzu:
Original:
The following code uses assign to add several characters to a std::vector<char>:
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#include <vector>
#include <iostream>
 
int main()
{
    std::vector<char> characters;
 
    characters.assign(5, 'a');
 
    for (char c : characters) {
        std::cout << c << '\n';
    } 
 
    return 0;
}

Output: 

a
a
a
a
a

[Bearbeiten] Siehe auch

 konstruiert die vector
(öffentliche Elementfunktion) [edit]
Von „https://de.cppreference.com/mwiki/index.php?title=cpp/container/vector/assign&oldid=26633“