1 files changed, 22 insertions, 11 deletions

diff --git a/vendor/chrono/src/offset/fixed.rs b/vendor/chrono/src/offset/fixed.rs
index 0989dfa5b..246d6666e 100644
--- a/vendor/chrono/src/offset/fixed.rs
+++ b/vendor/chrono/src/offset/fixed.rs
@@ -6,7 +6,6 @@
 use core::fmt;
 use core::ops::{Add, Sub};
 
-use num_integer::div_mod_floor;
 #[cfg(feature = "rkyv")]
 use rkyv::{Archive, Deserialize, Serialize};
 
@@ -34,6 +33,7 @@ impl FixedOffset {
     ///
     /// Panics on the out-of-bound `secs`.
     #[deprecated(since = "0.4.23", note = "use `east_opt()` instead")]
+    #[must_use]
     pub fn east(secs: i32) -> FixedOffset {
         FixedOffset::east_opt(secs).expect("FixedOffset::east out of bounds")
     }
@@ -45,14 +45,18 @@ impl FixedOffset {
     ///
     /// # Example
     ///
-    /// ```
+    #[cfg_attr(not(feature = "std"), doc = "```ignore")]
+    #[cfg_attr(feature = "std", doc = "```")]
     /// use chrono::{FixedOffset, TimeZone};
     /// let hour = 3600;
-    /// let datetime = FixedOffset::east_opt(5 * hour).unwrap().ymd_opt(2016, 11, 08).unwrap()
-    ///                                           .and_hms_opt(0, 0, 0).unwrap();
+    /// let datetime = FixedOffset::east_opt(5 * hour)
+    ///     .unwrap()
+    ///     .with_ymd_and_hms(2016, 11, 08, 0, 0, 0)
+    ///     .unwrap();
     /// assert_eq!(&datetime.to_rfc3339(), "2016-11-08T00:00:00+05:00")
     /// ```
-    pub fn east_opt(secs: i32) -> Option<FixedOffset> {
+    #[must_use]
+    pub const fn east_opt(secs: i32) -> Option<FixedOffset> {
         if -86_400 < secs && secs < 86_400 {
             Some(FixedOffset { local_minus_utc: secs })
         } else {
@@ -65,6 +69,7 @@ impl FixedOffset {
     ///
     /// Panics on the out-of-bound `secs`.
     #[deprecated(since = "0.4.23", note = "use `west_opt()` instead")]
+    #[must_use]
     pub fn west(secs: i32) -> FixedOffset {
         FixedOffset::west_opt(secs).expect("FixedOffset::west out of bounds")
     }
@@ -76,14 +81,18 @@ impl FixedOffset {
     ///
     /// # Example
     ///
-    /// ```
+    #[cfg_attr(not(feature = "std"), doc = "```ignore")]
+    #[cfg_attr(feature = "std", doc = "```")]
     /// use chrono::{FixedOffset, TimeZone};
     /// let hour = 3600;
-    /// let datetime = FixedOffset::west_opt(5 * hour).unwrap().ymd_opt(2016, 11, 08).unwrap()
-    ///                                           .and_hms_opt(0, 0, 0).unwrap();
+    /// let datetime = FixedOffset::west_opt(5 * hour)
+    ///     .unwrap()
+    ///     .with_ymd_and_hms(2016, 11, 08, 0, 0, 0)
+    ///     .unwrap();
     /// assert_eq!(&datetime.to_rfc3339(), "2016-11-08T00:00:00-05:00")
     /// ```
-    pub fn west_opt(secs: i32) -> Option<FixedOffset> {
+    #[must_use]
+    pub const fn west_opt(secs: i32) -> Option<FixedOffset> {
         if -86_400 < secs && secs < 86_400 {
             Some(FixedOffset { local_minus_utc: -secs })
         } else {
@@ -136,8 +145,10 @@ impl fmt::Debug for FixedOffset {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         let offset = self.local_minus_utc;
         let (sign, offset) = if offset < 0 { ('-', -offset) } else { ('+', offset) };
-        let (mins, sec) = div_mod_floor(offset, 60);
-        let (hour, min) = div_mod_floor(mins, 60);
+        let sec = offset.rem_euclid(60);
+        let mins = offset.div_euclid(60);
+        let min = mins.rem_euclid(60);
+        let hour = mins.div_euclid(60);
         if sec == 0 {
             write!(f, "{}{:02}:{:02}", sign, hour, min)
         } else {