Namespaces
Variants
Views
Actions

std::list<T,Allocator>::pop_back

From cppreference.com
< cpp‎ | container‎ | list
 
 
 
 
void pop_back();

Removes the last element of the container.

Calling pop_back on an empty container results in undefined behavior.

References and iterators to the erased element are invalidated.

Contents

[edit] Parameters

(none)

[edit] Return value

(none)

[edit] Complexity

Constant.

[edit] Exceptions

Throws nothing.

[edit] Example

#include <list>
#include <iostream>
 
template<typename T>
void print(T const& xs)
{
    std::cout << "[ ";
    for (auto const& x : xs)
        std::cout << x << ' ';
    std::cout << "]\n";
}
 
int main()
{
    std::list<int> numbers;
 
    print(numbers);
 
    numbers.push_back(5);
    numbers.push_back(3);
    numbers.push_back(4);
 
    print(numbers);
 
    numbers.pop_back();
 
    print(numbers);
}

Output:

[ ]
[ 5 3 4 ]
[ 5 3 ]

[edit] See also

removes the first element
(public member function) [edit]
adds an element to the end
(public member function) [edit]