diff options
Diffstat (limited to 'libcxx/include/chrono')
| -rw-r--r-- | libcxx/include/chrono | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libcxx/include/chrono b/libcxx/include/chrono index 82e99a3..aa4fc62 100644 --- a/libcxx/include/chrono +++ b/libcxx/include/chrono @@ -218,6 +218,9 @@ template <class ToDuration, class Rep, class Period> template <class ToDuration, class Rep, class Period> constexpr ToDuration round(const duration<Rep, Period>& d); // C++17 +template <class T> struct is_clock; // C++20 +template <class T> inline constexpr bool is_clock_v = is_clock<T>::value; // C++20 + // duration I/O template<class charT, class traits, class Rep, class Period> // C++20 basic_ostream<charT, traits>& @@ -1057,6 +1060,7 @@ constexpr chrono::year operator ""y(unsigned lo # include <__chrono/day.h> # include <__chrono/exception.h> # include <__chrono/hh_mm_ss.h> +# include <__chrono/is_clock.h> # include <__chrono/literals.h> # include <__chrono/local_info.h> # include <__chrono/month.h> |