std::deque<T,Allocator>::push_back

void push_back( const T& value );

void push_back( T&& value );

Appends the given element value to the end of the container.

All iterators, including the past-the-end iterator, are invalidated. No references are invalidated.

Parameters

Return value

(none).

Complexity

Constant.

Exceptions

If an exception is thrown (which can be due to Allocator::allocate() or element copy/move constructor/assignment), this function has no effect (strong exception guarantee).

Example

#include <deque>
#include <iostream>
#include <iomanip>
 
int main()
{
    std::deque<std::string> numbers;
 
    numbers.push_back("abc");
    std::string s = "def";
    numbers.push_back(std::move(s));
 
    std::cout << "deque holds: ";
    for (auto&& i : numbers) std::cout << std::quoted(i) << ' ';
    std::cout << "\nMoved-from string holds " << std::quoted(s) << '\n';
}

deque holds: "abc" "def" 
Moved-from string holds ""

See also