0
1
mirror of https://git.sb/baoshuo/OI-codes.git synced 2024-11-23 23:48:48 +00:00
OI-codes/utils/size.h

24 lines
430 B
C
Raw Normal View History

2022-05-25 02:36:14 +00:00
#include <cstddef>
/**
* Get size of the given array.
*
* @param array An array
* @return Size of the array
*/
template <class T, std::size_t N>
constexpr std::size_t size(const T (&array)[N]) noexcept {
return N;
}
/**
* Get size of the given container.
*
* @param c An container
* @return Size of the container
*/
template <class C>
constexpr auto size(const C& c) -> decltype(c.size()) {
return c.size();
}