std::list<T,Allocator>::pop_front
From cppreference.com
void pop_front(); |
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Removes the first element of the container.
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If empty() is |
(until C++26) |
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If empty() is
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(since C++26) |
References and iterators to the erased element are invalidated.
Complexity
Constant.
Example
Run this code
#include <list>
#include <iostream>
int main()
{
std::list<char> chars{'A', 'B', 'C', 'D'};
for (; !chars.empty(); chars.pop_front())
std::cout << "chars.front(): '" << chars.front() << "'\n";
}
Output:
chars.front(): 'A'
chars.front(): 'B'
chars.front(): 'C'
chars.front(): 'D'
See also
| removes the last element (public member function) | |
| inserts an element to the beginning (public member function) | |
| access the first element (public member function) |