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use crate::Dt;
#[cfg(feature = "jiff-tz")]
use crate::DtErr;
impl Dt {
/// Adds (or subtracts) calendar years, preserving month and day-of-month.
/// - Uses standard last-day-of-month clamping.
/// - Negative values subtract.
#[inline(always)]
pub const fn add_yr(&self, n: i64) -> Self {
self.to_ymd().add_yr(n).to_dt()
}
/// Adds (or subtracts) calendar months.
/// Negative values subtract.
#[inline(always)]
pub const fn add_mo(&self, n: i64) -> Self {
self.to_ymd().add_mo(n).to_dt()
}
/// Adds (or subtracts) calendar weeks.
/// Negative values subtract.
#[inline(always)]
pub const fn add_wk(&self, n: i64) -> Self {
self.to_ymd().add_wk(n).to_dt()
}
/// Adds (or subtracts) calendar days.
/// Negative values subtract.
#[inline(always)]
pub const fn add_days(&self, n: i64) -> Self {
self.to_ymd().add_days(n).to_dt()
}
}
#[cfg(feature = "jiff-tz")]
impl Dt {
/// Adds the given number of years in the specified IANA timezone,
/// respecting timezone rules (including DST) and calendar arithmetic.
///
/// ## Notes
///
/// - Requires the `jiff-tz` feature.
/// - Assumes this [`Dt`] is counting seconds from the library's
/// `2000-01-01 12:00:00` epoch.
///
/// ## Errors
///
/// - [`DtErrKind::YearOutOfRange`] if the year of the date is outside the
/// `-9999..=9999` range (checked before involving Jiff).
/// - Specific errors for invalid time components when preparing values for Jiff:
/// [`DtErrKind::InvalidHour`], [`DtErrKind::InvalidMinute`],
/// [`DtErrKind::InvalidSecond`], [`DtErrKind::InvalidMonth`], or [`DtErrKind::InvalidDay`].
/// - [`DtErrKind::InvalidTimezone`] if Jiff cannot find/resolve the IANA timezone name.
/// - [`DtErrKind::OutOfRange`] if the result of the calendar arithmetic operation
/// would be outside the range supported by Jiff (the checked_add fails).
#[inline(always)]
pub fn add_yr_tz(&self, n: i64, tz: &str) -> Result<Self, DtErr> {
Ok(self.to_ymd().add_yr_tz(n, tz)?.to_dt())
}
/// Adds the given number of months in the specified IANA timezone,
/// respecting timezone rules and calendar month-end clamping.
///
/// ## Notes
///
/// - Requires the `jiff-tz` feature.
/// - Assumes this [`Dt`] is counting seconds from the library's
/// `2000-01-01 12:00:00` epoch.
///
/// ## Errors
///
/// - [`DtErrKind::YearOutOfRange`] if the year of the date is outside the
/// `-9999..=9999` range (checked before involving Jiff).
/// - Specific errors for invalid time components when preparing values for Jiff:
/// [`DtErrKind::InvalidHour`], [`DtErrKind::InvalidMinute`],
/// [`DtErrKind::InvalidSecond`], [`DtErrKind::InvalidMonth`], or [`DtErrKind::InvalidDay`].
/// - [`DtErrKind::InvalidTimezone`] if Jiff cannot find/resolve the IANA timezone name.
/// - [`DtErrKind::OutOfRange`] if the result of the calendar arithmetic operation
/// would be outside the range supported by Jiff (the checked_add fails).
#[inline(always)]
pub fn add_mo_tz(&self, n: i64, tz: &str) -> Result<Self, DtErr> {
Ok(self.to_ymd().add_mo_tz(n, tz)?.to_dt())
}
/// Adds the given number of weeks in the specified IANA timezone,
/// respecting timezone rules (including DST).
///
/// ## Notes
///
/// - Requires the `jiff-tz` feature.
/// - Assumes this [`Dt`] is counting seconds from the library's
/// `2000-01-01 12:00:00` epoch.
///
/// ## Errors
///
/// - [`DtErrKind::YearOutOfRange`] if the year of the date is outside the
/// `-9999..=9999` range (checked before involving Jiff).
/// - Specific errors for invalid time components when preparing values for Jiff:
/// [`DtErrKind::InvalidHour`], [`DtErrKind::InvalidMinute`],
/// [`DtErrKind::InvalidSecond`], [`DtErrKind::InvalidMonth`], or [`DtErrKind::InvalidDay`].
/// - [`DtErrKind::InvalidTimezone`] if Jiff cannot find/resolve the IANA timezone name.
/// - [`DtErrKind::OutOfRange`] if the result of the calendar arithmetic operation
/// would be outside the range supported by Jiff (the checked_add fails).
#[inline(always)]
pub fn add_wk_tz(&self, n: i64, tz: &str) -> Result<Self, DtErr> {
Ok(self.to_ymd().add_wk_tz(n, tz)?.to_dt())
}
/// Adds the given number of calendar days in the specified IANA timezone,
/// respecting timezone rules (including DST).
///
/// ## Notes
///
/// - Requires the `jiff-tz` feature.
/// - Assumes this [`Dt`] is counting seconds from the library's
/// `2000-01-01 12:00:00` epoch.
///
/// ## Errors
///
/// - [`DtErrKind::YearOutOfRange`] if the year of the date is outside the
/// `-9999..=9999` range (checked before involving Jiff).
/// - Specific errors for invalid time components when preparing values for Jiff:
/// [`DtErrKind::InvalidHour`], [`DtErrKind::InvalidMinute`],
/// [`DtErrKind::InvalidSecond`], [`DtErrKind::InvalidMonth`], or [`DtErrKind::InvalidDay`].
/// - [`DtErrKind::InvalidTimezone`] if Jiff cannot find/resolve the IANA timezone name.
/// - [`DtErrKind::OutOfRange`] if the result of the calendar arithmetic operation
/// would be outside the range supported by Jiff (the checked_add fails).
#[inline(always)]
pub fn add_days_tz(&self, n: i64, tz: &str) -> Result<Self, DtErr> {
Ok(self.to_ymd().add_days_tz(n, tz)?.to_dt())
}
/// Adds the given number of hours in the specified IANA timezone,
/// respecting timezone rules (including DST).
///
/// ## Notes
///
/// - Requires the `jiff-tz` feature.
/// - Assumes this [`Dt`] is counting seconds from the library's
/// `2000-01-01 12:00:00` epoch.
///
/// ## Errors
///
/// - [`DtErrKind::YearOutOfRange`] if the year of the date is outside the
/// `-9999..=9999` range (checked before involving Jiff).
/// - Specific errors for invalid time components when preparing values for Jiff:
/// [`DtErrKind::InvalidHour`], [`DtErrKind::InvalidMinute`],
/// [`DtErrKind::InvalidSecond`], [`DtErrKind::InvalidMonth`], or [`DtErrKind::InvalidDay`].
/// - [`DtErrKind::InvalidTimezone`] if Jiff cannot find/resolve the IANA timezone name.
/// - [`DtErrKind::OutOfRange`] if the result of the calendar arithmetic operation
/// would be outside the range supported by Jiff (the checked_add fails).
#[inline(always)]
pub fn add_hr_tz(&self, n: i64, tz: &str) -> Result<Self, DtErr> {
Ok(self.to_ymd().add_hr_tz(n, tz)?.to_dt())
}
/// Adds the given number of minutes in the specified IANA timezone,
/// respecting timezone rules (including DST).
///
/// ## Notes
///
/// - Requires the `jiff-tz` feature.
/// - Assumes this [`Dt`] is counting seconds from the library's
/// `2000-01-01 12:00:00` epoch.
///
/// ## Errors
///
/// - [`DtErrKind::YearOutOfRange`] if the year of the date is outside the
/// `-9999..=9999` range (checked before involving Jiff).
/// - Specific errors for invalid time components when preparing values for Jiff:
/// [`DtErrKind::InvalidHour`], [`DtErrKind::InvalidMinute`],
/// [`DtErrKind::InvalidSecond`], [`DtErrKind::InvalidMonth`], or [`DtErrKind::InvalidDay`].
/// - [`DtErrKind::InvalidTimezone`] if Jiff cannot find/resolve the IANA timezone name.
/// - [`DtErrKind::OutOfRange`] if the result of the calendar arithmetic operation
/// would be outside the range supported by Jiff (the checked_add fails).
#[inline(always)]
pub fn add_min_tz(&self, n: i64, tz: &str) -> Result<Self, DtErr> {
Ok(self.to_ymd().add_min_tz(n, tz)?.to_dt())
}
/// Adds the given number of seconds in the specified IANA timezone,
/// respecting timezone rules (including DST).
///
/// ## Notes
///
/// - Requires the `jiff-tz` feature.
/// - Assumes this [`Dt`] is counting seconds from the library's
/// `2000-01-01 12:00:00` epoch.
///
/// ## Errors
///
/// - [`DtErrKind::YearOutOfRange`] if the year of the date is outside the
/// `-9999..=9999` range (checked before involving Jiff).
/// - Specific errors for invalid time components when preparing values for Jiff:
/// [`DtErrKind::InvalidHour`], [`DtErrKind::InvalidMinute`],
/// [`DtErrKind::InvalidSecond`], [`DtErrKind::InvalidMonth`], or [`DtErrKind::InvalidDay`].
/// - [`DtErrKind::InvalidTimezone`] if Jiff cannot find/resolve the IANA timezone name.
/// - [`DtErrKind::OutOfRange`] if the result of the calendar arithmetic operation
/// would be outside the range supported by Jiff (the checked_add fails).
#[inline(always)]
pub fn add_sec_tz(&self, n: i64, tz: &str) -> Result<Self, DtErr> {
Ok(self.to_ymd().add_sec_tz(n, tz)?.to_dt())
}
}