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)