std::chrono::day::day
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std::chrono::day 
 
 
 Member functions
day::day
 Nonmember functions
 Helper classes
(C++26)
day() = default;
 (1) 
 (since C++20) 
constexpr explicit day( unsigned d ) noexcept;
 (2) 
 (since C++20) 
Constructs a day object.
1) Default constructor leaves the day value uninitialized.
2) If d <= 255, constructs a 
day object holding the day value d. Otherwise the value held is unspecified.