fn datetime()

in src/serialize/per_type/numpy.rs [1295:1338]
44 lines of code
1 McCabe index (conditional complexity)

    fn datetime(&self, val: i64, opts: Opt) -> Result<NumpyDatetime64Repr, NumpyDateTimeError> {
        match self {
            Self::Years => Ok(DateTime::new(
                (val + 1970)
                    .try_into()
                    .map_err(|_| NumpyDateTimeError::Unrepresentable { unit: *self, val })?,
                1,
                1,
                0,
                0,
                0,
                0,
            )
            .unwrap()),
            Self::Months => Ok(DateTime::new(
                (val / 12 + 1970)
                    .try_into()
                    .map_err(|_| NumpyDateTimeError::Unrepresentable { unit: *self, val })?,
                (val % 12 + 1)
                    .try_into()
                    .map_err(|_| NumpyDateTimeError::Unrepresentable { unit: *self, val })?,
                1,
                0,
                0,
                0,
                0,
            )
            .unwrap()),
            Self::Weeks => {
                to_jiff_datetime!(Timestamp::from_second(val * 7 * 24 * 60 * 60), self, val)
            }
            Self::Days => to_jiff_datetime!(Timestamp::from_second(val * 24 * 60 * 60), self, val),
            Self::Hours => to_jiff_datetime!(Timestamp::from_second(val * 60 * 60), self, val),
            Self::Minutes => to_jiff_datetime!(Timestamp::from_second(val * 60), self, val),
            Self::Seconds => to_jiff_datetime!(Timestamp::from_second(val), self, val),
            Self::Milliseconds => to_jiff_datetime!(Timestamp::from_millisecond(val), self, val),
            Self::Microseconds => to_jiff_datetime!(Timestamp::from_microsecond(val), self, val),
            Self::Nanoseconds => {
                to_jiff_datetime!(Timestamp::from_nanosecond(val as i128), self, val)
            }
            _ => Err(NumpyDateTimeError::UnsupportedUnit(*self)),
        }
        .map(|dt| NumpyDatetime64Repr { dt, opts })
    }