NAME¶

std::list::pop_back - std::list::pop_back

Synopsis¶

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.

Parameters¶

(none)

Return value¶

(none)

Complexity¶

Constant.

Exceptions¶

Throws nothing.

Example¶

// Run this code

#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 ]

See also¶

pop_front removes the first element
(public member function)
push_back adds an element to the end
(public member function)