(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 |
constexpr size_type size()constnoexcept; | (since C++26) | |
Returns the number of elements in the container.
Contents |
std::distance(begin(), end())
Constant.
#include <cassert>#include <inplace_vector> int main(){std::inplace_vector<int,4> nums;assert(nums.size()==0); nums={1,2,3,4};assert(nums.size()==4);}
[static] | returns the number of elements that can be held in currently allocated storage (public static member function)[edit] |
| checks whether the container is empty (public member function)[edit] | |
[static] | returns the maximum possible number of elements (public static member function)[edit] |
| changes the number of elements stored (public member function)[edit] | |
(C++17)(C++20) | returns the size of a container or array (function template)[edit] |
