fix clippy::comparison_chain

src/stream/interval.rs

@@ -111,6 +111,7 @@ fn next_interval(prev: Instant, now: Instant, interval: Duration) -> Instant {
 #[cfg(test)]
 mod test {
     use super::next_interval;
+    use std::cmp::Ordering;
     use std::time::{Duration, Instant};
 
     struct Timeline(Instant);
@@ -134,12 +135,10 @@ mod test {
     // The math around Instant/Duration isn't 100% precise due to rounding
     // errors, see #249 for more info
     fn almost_eq(a: Instant, b: Instant) -> bool {
-        if a == b {
-            true
-        } else if a > b {
-            a - b < Duration::from_millis(1)
-        } else {
-            b - a < Duration::from_millis(1)
+        match a.cmp(&b) {
+            Ordering::Equal => true,
+            Ordering::Greater => a - b < Duration::from_millis(1),
+            Ordering::Less => b - a < Duration::from_millis(1),
         }
     }