ClickHouse/libs/libcommon/include/ext/size.h
2017-06-06 20:18:32 +03:00

15 lines
398 B
C++

#pragma once
#include <cstdlib>
namespace ext
{
/** \brief Returns number of elements in an automatic array. */
template <typename T, std::size_t N>
constexpr std::size_t size(const T (&)[N]) noexcept { return N; }
/** \brief Returns number of in a container providing size() member function. */
template <typename T> constexpr auto size(const T & t) { return t.size(); }
}