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

From cppreference.com
< cpp‎ | container‎ | list
 
 
Containers library
Sequence
(C++11)
Associative
Unordered associative
Adaptors
Views
(C++20)
 
 
void pop_front();

Removes the first element of the container. If there are no elements in the container, the behavior is undefined.

References and iterators to the erased element are invalidated.

Contents

[edit] Parameters

(none)

[edit] Return value

(none)

[edit] Complexity

Constant.

[edit] Exceptions

Does not throw.

[edit] Example

#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'

[edit] See also

removes the last element
(public member function) [edit]
inserts an element to the beginning
(public member function) [edit]
access the first element
(public member function) [edit]