std::chrono::operator ==,!=,<,<=,>,>= (std::chrono::leap)
| constexpr bool operator==(const std::chrono::leap& x, const std::chrono::leap& y) noexcept; | (1) | (since C++20) | 
| constexpr bool operator!=(const std::chrono::leap& x, const std::chrono::leap& y) noexcept; | (2) | (since C++20) | 
| constexpr bool operator< (const std::chrono::leap& x, const std::chrono::leap& y) noexcept; | (3) | (since C++20) | 
| constexpr bool operator> (const std::chrono::leap& x, const std::chrono::leap& y) noexcept; | (4) | (since C++20) | 
| constexpr bool operator<=(const std::chrono::leap& x, const std::chrono::leap& y) noexcept; | (5) | (since C++20) | 
| constexpr bool operator>=(const std::chrono::leap& x, const std::chrono::leap& y) noexcept; | (6) | (since C++20) | 
| template< class Duration >  constexpr bool operator==(const std::chrono::leap& x,  | (7) | (since C++20) | 
| template< class Duration >  constexpr bool operator==(const std::chrono::sys_time<Duration>& x,  | (8) | (since C++20) | 
| template< class Duration >  constexpr bool operator!=(const std::chrono::leap& x,  | (9) | (since C++20) | 
| template< class Duration >  constexpr bool operator!=(const std::chrono::sys_time<Duration>& x,  | (10) | (since C++20) | 
| template< class Duration >  constexpr bool operator< (const std::chrono::leap& x,  | (11) | (since C++20) | 
| template< class Duration >  constexpr bool operator< (const std::chrono::sys_time<Duration>& x,  | (12) | (since C++20) | 
| template< class Duration >  constexpr bool operator> (const std::chrono::leap& x,  | (13) | (since C++20) | 
| template< class Duration >  constexpr bool operator> (const std::chrono::sys_time<Duration>& x,  | (14) | (since C++20) | 
| template< class Duration >  constexpr bool operator<=(const std::chrono::leap& x,  | (15) | (since C++20) | 
| template< class Duration >  constexpr bool operator<=(const std::chrono::sys_time<Duration>& x,  | (16) | (since C++20) | 
| template< class Duration >  constexpr bool operator>=(const std::chrono::leap& x,  | (17) | (since C++20) | 
| template< class Duration >  constexpr bool operator>=(const std::chrono::sys_time<Duration>& x,  | (18) | (since C++20) | 
Compares the date and time represented by the objects x and y.