Return an optional having a Datetime with the specified year, month, day, hour, minute, second, and the optionally specified millisecond and microsecond, if those form a valid Datetime (see Datetime::isValid); otherwise return an optional without a value.

Synopsis

Declared in <bdlt_datetimeutil.h>

static
bsl::optional<Datetime>
fromYmdHms(
    int year,
    int month,
    int day,
    int hour,
    int minute,
    int second,
    int millisecond = 0,
    int microsecond = 0);

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