fix: Remove clone call when copy is implemented

Clippy reports: warning: using `clone` on type `Timestamp` which implements the `Copy` trait

Author: caspermeijn

prost-types/src/datetime.rs

@@ -614,7 +614,7 @@ mod tests {
             };
             assert_eq!(
                 expected,
-                format!("{}", DateTime::from(timestamp.clone())),
+                format!("{}", DateTime::from(timestamp)),
                 "timestamp: {:?}",
                 timestamp
             );

prost-types/src/duration.rs

@@ -105,7 +105,7 @@ impl TryFrom<Duration> for time::Duration {
 
 impl fmt::Display for Duration {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        let mut d = self.clone();
+        let mut d = *self;
         d.normalize();
         if self.seconds < 0 && self.nanos < 0 {
             write!(f, "-")?;
@@ -193,7 +193,7 @@ mod tests {
                 Ok(duration) => duration,
                 Err(_) => return Err(TestCaseError::reject("duration out of range")),
             };
-            prop_assert_eq!(time::Duration::try_from(prost_duration.clone()).unwrap(), std_duration);
+            prop_assert_eq!(time::Duration::try_from(prost_duration).unwrap(), std_duration);
 
             if std_duration != time::Duration::default() {
                 let neg_prost_duration = Duration {
@@ -220,7 +220,7 @@ mod tests {
                 Ok(duration) => duration,
                 Err(_) => return Err(TestCaseError::reject("duration out of range")),
             };
-            prop_assert_eq!(time::Duration::try_from(prost_duration.clone()).unwrap(), std_duration);
+            prop_assert_eq!(time::Duration::try_from(prost_duration).unwrap(), std_duration);
 
             if std_duration != time::Duration::default() {
                 let neg_prost_duration = Duration {

prost-types/src/timestamp.rs

@@ -50,7 +50,7 @@ impl Timestamp {
     ///
     /// [1]: https://github.com/google/protobuf/blob/v3.3.2/src/google/protobuf/util/time_util.cc#L59-L77
     pub fn try_normalize(mut self) -> Result<Timestamp, Timestamp> {
-        let before = self.clone();
+        let before = self;
         self.normalize();
         // If the seconds value has changed, and is either i64::MIN or i64::MAX, then the timestamp
         // normalization overflowed.
@@ -201,7 +201,7 @@ impl TryFrom<Timestamp> for std::time::SystemTime {
     type Error = TimestampError;
 
     fn try_from(mut timestamp: Timestamp) -> Result<std::time::SystemTime, Self::Error> {
-        let orig_timestamp = timestamp.clone();
+        let orig_timestamp = timestamp;
         timestamp.normalize();
 
         let system_time = if timestamp.seconds >= 0 {
@@ -211,8 +211,7 @@ impl TryFrom<Timestamp> for std::time::SystemTime {
                 timestamp
                     .seconds
                     .checked_neg()
-                    .ok_or_else(|| TimestampError::OutOfSystemRange(timestamp.clone()))?
-                    as u64,
+                    .ok_or(TimestampError::OutOfSystemRange(timestamp))? as u64,
             ))
         };
 
@@ -234,7 +233,7 @@ impl FromStr for Timestamp {
 
 impl fmt::Display for Timestamp {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        datetime::DateTime::from(self.clone()).fmt(f)
+        datetime::DateTime::from(*self).fmt(f)
     }
 }
 #[cfg(test)]
@@ -262,7 +261,7 @@ mod tests {
         ) {
             let mut timestamp = Timestamp { seconds, nanos };
             timestamp.normalize();
-            if let Ok(system_time) = SystemTime::try_from(timestamp.clone()) {
+            if let Ok(system_time) = SystemTime::try_from(timestamp) {
                 prop_assert_eq!(Timestamp::from(system_time), timestamp);
             }
         }