Update methods perimeter expression

0xcpu · 0xcpu · commit 81b8e291721c · 2015-06-24T09:21:35.000+03:00
In my opinion this version is more readable, also theoretically faster.
diff --git a/examples/fn/methods/methods.rs b/examples/fn/methods/methods.rs
@@ -41,7 +41,7 @@ impl Rectangle {
         let Point { x: x1, y: y1 } = self.p1;
         let Point { x: x2, y: y2 } = self.p2;
 
-        2.0 * (x1 - x2).abs() + 2.0 * (y1 - y2).abs()
+        2.0 * ((x1 - x2).abs() + (y1 - y2).abs())
     }
 
     // This method requires the caller object to be mutable

Original file line number	Diff line number	Diff line change
`@@ -41,7 +41,7 @@ impl Rectangle {`
`41`	`41`	`let Point { x: x1, y: y1 } = self.p1;`
`42`	`42`	`let Point { x: x2, y: y2 } = self.p2;`
`43`	`43`
`44`		`- 2.0 * (x1 - x2).abs() + 2.0 * (y1 - y2).abs()`
	`44`	`+ 2.0 * ((x1 - x2).abs() + (y1 - y2).abs())`
`45`	`45`	`}`
`46`	`46`
`47`	`47`	`// This method requires the caller object to be mutable`