(C++17) | ||||
| Sequence | ||||
(C++11) | ||||
(C++26) | ||||
(C++26) | ||||
(C++11) | ||||
| Associative | ||||
| Unordered associative | ||||
(C++11) | ||||
(C++11) | ||||
(C++11) | ||||
(C++11) | ||||
| Adaptors | ||||
(C++23) | ||||
(C++23) | ||||
(C++23) | ||||
(C++23) | ||||
| Views | ||||
(C++20) | ||||
(C++23) | ||||
| Tables | ||||
| Iterator invalidation | ||||
| Member function table | ||||
| Non-member function table |
std::queue| Member functions | ||||
| Element access | ||||
queue::front | ||||
| Capacity | ||||
| Modifiers | ||||
(C++23) | ||||
(C++11) | ||||
(C++11) | ||||
| Non-member functions | ||||
(C++11) | ||||
| Helper classes | ||||
(C++11) | ||||
(C++23) | ||||
| Deduction guides(C++17) |
reference front(); | ||
const_reference front()const; | ||
Returns reference to the first element in the queue. This element will be the first element to be removed on a call topop(). Effectively callsc.front().
Contents |
(none)
Reference to the first element.
Constant.
| access the last element (public member function)[edit] | |
| removes the first element (public member function)[edit] |
