Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

Constructs a zero date.

constexpr
date();
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Constructs a date from its year, month and date components.

constexpr
date(
    std::uint16_t year,
    std::uint8_t month,
    std::uint8_t day);
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Constructs a date from a time_point.

explicit
constexpr
date(
    time_point tp);
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