mars-rover-fe

commit 95d201eb2f97c1dc6a93f3ec03900a1be67a92d5
parent 9a9bad4f7133f5f82e85068088dd34d19e3e36d0
Author: Daniel Barlow <dan@telent.net>
Date:   Fri,  3 Nov 2023 19:00:27 +0000

deduplicate code in rotate method

Diffstat:
M
src/main.rs
 | 
17
+++++++++--------

1 file changed, 9 insertions(+), 8 deletions(-)
diff --git a/src/main.rs b/src/main.rs
@@ -44,18 +44,19 @@ mod rover {
 
 	pub fn rotate(&self, rotation: Rotation) -> Rover {
 	    let Rover(lon, lat, direction) = self;
-	    match rotation {
+	    let new_direction = match rotation {
 		Rotation::Left => {
-		    let new_d = next_direction(*direction);
-		    Rover(*lon, *lat, new_d)
+		    next_direction(*direction)
 		},
 		Rotation::Right => {
-		    let new_d = next_direction(*direction);
-		    let new_d = next_direction(new_d);
-		    let new_d = next_direction(new_d);
-		    Rover(*lon, *lat, new_d)
+		    next_direction(
+			next_direction(
+			    next_direction(*direction)
+			)
+		    )
 		}
-	    }
+	    };
+	    Rover(*lon, *lat, new_direction)
 	}
     }
 }