1 files changed, 8 insertions, 23 deletions

diff --git a/vendor/chrono/src/oldtime.rs b/vendor/chrono/src/oldtime.rs
index 8e2b3d2c0..e27be7db6 100644
--- a/vendor/chrono/src/oldtime.rs
+++ b/vendor/chrono/src/oldtime.rs
@@ -74,6 +74,7 @@ impl Duration {
     /// Equivalent to `Duration::seconds(weeks * 7 * 24 * 60 * 60)` with overflow checks.
     /// Panics when the duration is out of bounds.
     #[inline]
+    #[must_use]
     pub fn weeks(weeks: i64) -> Duration {
         let secs = weeks.checked_mul(SECS_PER_WEEK).expect("Duration::weeks out of bounds");
         Duration::seconds(secs)
@@ -83,6 +84,7 @@ impl Duration {
     /// Equivalent to `Duration::seconds(days * 24 * 60 * 60)` with overflow checks.
     /// Panics when the duration is out of bounds.
     #[inline]
+    #[must_use]
     pub fn days(days: i64) -> Duration {
         let secs = days.checked_mul(SECS_PER_DAY).expect("Duration::days out of bounds");
         Duration::seconds(secs)
@@ -92,6 +94,7 @@ impl Duration {
     /// Equivalent to `Duration::seconds(hours * 60 * 60)` with overflow checks.
     /// Panics when the duration is out of bounds.
     #[inline]
+    #[must_use]
     pub fn hours(hours: i64) -> Duration {
         let secs = hours.checked_mul(SECS_PER_HOUR).expect("Duration::hours ouf of bounds");
         Duration::seconds(secs)
@@ -101,6 +104,7 @@ impl Duration {
     /// Equivalent to `Duration::seconds(minutes * 60)` with overflow checks.
     /// Panics when the duration is out of bounds.
     #[inline]
+    #[must_use]
     pub fn minutes(minutes: i64) -> Duration {
         let secs = minutes.checked_mul(SECS_PER_MINUTE).expect("Duration::minutes out of bounds");
         Duration::seconds(secs)
@@ -110,6 +114,7 @@ impl Duration {
     /// Panics when the duration is more than `i64::MAX` seconds
     /// or less than `i64::MIN` seconds.
     #[inline]
+    #[must_use]
     pub fn seconds(seconds: i64) -> Duration {
         let d = Duration { secs: seconds, nanos: 0 };
         if d < MIN || d > MAX {
@@ -211,6 +216,7 @@ impl Duration {
     }
 
     /// Add two durations, returning `None` if overflow occurred.
+    #[must_use]
     pub fn checked_add(&self, rhs: &Duration) -> Option<Duration> {
         let mut secs = try_opt!(self.secs.checked_add(rhs.secs));
         let mut nanos = self.nanos + rhs.nanos;
@@ -229,6 +235,7 @@ impl Duration {
     }
 
     /// Subtract two durations, returning `None` if overflow occurred.
+    #[must_use]
     pub fn checked_sub(&self, rhs: &Duration) -> Option<Duration> {
         let mut secs = try_opt!(self.secs.checked_sub(rhs.secs));
         let mut nanos = self.nanos - rhs.nanos;
@@ -455,31 +462,9 @@ impl Error for OutOfRangeError {
     }
 }
 
-// Copied from libnum
 #[inline]
 const fn div_mod_floor_64(this: i64, other: i64) -> (i64, i64) {
-    (div_floor_64(this, other), mod_floor_64(this, other))
-}
-
-#[inline]
-const fn div_floor_64(this: i64, other: i64) -> i64 {
-    match div_rem_64(this, other) {
-        (d, r) if (r > 0 && other < 0) || (r < 0 && other > 0) => d - 1,
-        (d, _) => d,
-    }
-}
-
-#[inline]
-const fn mod_floor_64(this: i64, other: i64) -> i64 {
-    match this % other {
-        r if (r > 0 && other < 0) || (r < 0 && other > 0) => r + other,
-        r => r,
-    }
-}
-
-#[inline]
-const fn div_rem_64(this: i64, other: i64) -> (i64, i64) {
-    (this / other, this % other)
+    (this.div_euclid(other), this.rem_euclid(other))
 }
 
 #[cfg(feature = "arbitrary")]