...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Returns true
if *this
represents
a valid time_point
.
constexpr bool valid() const;
If any of the individual components is out of range, the date doesn't represent
an actual time_point
(e.g.
date(2020, 2, 30)
)
or the date is not in the [min_date
, max_date
] validity range, returns
false
. Otherwise, returns
true
.
No-throw guarantee.