std::inplace_vector<T,N>:: size

From cppreference.com

C++
Containers library
std::inplace_vector
Member types
Member functions
Non-member functions
constexpr size_type size ( ) const ;
(since C++26)

Returns the number of elements in the container, i.e. std:: distance ( begin ( ) , end ( ) ) .

Parameters

(none)

Return value

The number of elements in the container.

Complexity

Constant.

Example

Run this code 
#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);
}

See also

[static]
returns the number of elements that can be held in currently allocated storage
(public static member function)
checks whether the container is empty
(public member function)
[static]
returns the maximum possible number of elements
(public static member function)
changes the number of elements stored
(public member function)
(C++17) (C++20)
returns the size of a container or array
(function template)
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