std::inplace_vector<T,N>::size - cppreference.com (original) (raw)

| constexpr size_type size() const noexcept; | | (since C++26) | | ------------------------------------------- | | ------------- |

Returns the number of elements in the container.

[edit] Return value

std::distance(begin(), end())

[edit] Complexity

Constant.

[edit] Example

#include #include   int main() { std::inplace_vector<int, 4> nums; assert(nums.size() == 0); nums = {1, 2, 3, 4}; assert(nums.size() == 4); }

[edit] See also

| | 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] | | | returns the maximum possible number of elements (public static member function) [edit] | | | changes the number of elements stored (public member function) [edit] | | | returns the size of a container or array (function template) [edit] |