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

      From cppreference.com
      <cpp‎ |container‎ |array

      [edit template]
       
       
       
       
      constexpr size_type size()constnoexcept;
      (since C++11)

      Returns the number of elements in the container.

      Contents

      [edit]Return value

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

      [edit]Complexity

      Constant.

      [edit]Example

      [edit]

      The following code usessize to display the number of elements in astd::array:

      Run this code
      #include <array>#include <iostream> int main(){std::array<int,4> nums{1,3,5,7}; std::cout<<"nums contains "<< nums.size()<<" elements.\n";}

      Output:

      nums contains 4 elements.

      [edit]See also

      checks whether the container is empty
      (public member function)[edit]
      returns the maximum possible number of elements
      (public member function)[edit]
      (C++17)(C++20)
      returns the size of a container or array
      (function template)[edit]
      Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/container/array/size&oldid=119857"

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