Simplify Iterator::{lt, gt}

timvermeulen · timvermeulen · commit 075b2697e47e · 2019-03-18T17:08:53.000+01:00
diff --git a/src/libcore/iter/traits/iterator.rs b/src/libcore/iter/traits/iterator.rs
@@ -2451,10 +2451,7 @@ pub trait Iterator {
         Self::Item: PartialOrd<I::Item>,
         Self: Sized,
     {
-        match self.partial_cmp(other) {
-            Some(Ordering::Less) => true,
-            _ => false,
-        }
+        self.partial_cmp(other) == Some(Ordering::Less)
     }
 
     /// Determines if the elements of this `Iterator` are lexicographically
@@ -2479,10 +2476,7 @@ pub trait Iterator {
         Self::Item: PartialOrd<I::Item>,
         Self: Sized,
     {
-        match self.partial_cmp(other) {
-            Some(Ordering::Greater) => true,
-            _ => false,
-        }
+        self.partial_cmp(other) == Some(Ordering::Greater)
     }
 
     /// Determines if the elements of this `Iterator` are lexicographically

Original file line number	Diff line number	Diff line change
`@@ -2451,10 +2451,7 @@ pub trait Iterator {`
`2451`	`2451`	`Self::Item: PartialOrd<I::Item>,`
`2452`	`2452`	`Self: Sized,`
`2453`	`2453`	`{`
`2454`		`- match self.partial_cmp(other) {`
`2455`		`- Some(Ordering::Less) => true,`
`2456`		`- _ => false,`
`2457`		`- }`
	`2454`	`+ self.partial_cmp(other) == Some(Ordering::Less)`
`2458`	`2455`	`}`
`2459`	`2456`
`2460`	`2457`	/// Determines if the elements of this `Iterator` are lexicographically
`@@ -2479,10 +2476,7 @@ pub trait Iterator {`
`2479`	`2476`	`Self::Item: PartialOrd<I::Item>,`
`2480`	`2477`	`Self: Sized,`
`2481`	`2478`	`{`
`2482`		`- match self.partial_cmp(other) {`
`2483`		`- Some(Ordering::Greater) => true,`
`2484`		`- _ => false,`
`2485`		`- }`
	`2479`	`+ self.partial_cmp(other) == Some(Ordering::Greater)`
`2486`	`2480`	`}`
`2487`	`2481`
`2488`	`2482`	/// Determines if the elements of this `Iterator` are lexicographically