Change to_ to turn_

src/main.rs

@@ -70,19 +70,19 @@ impl Robot {
         }
     }
     /// Apply North orientation to the robot.
-    fn to_north(&mut self) {
+    fn turn_north(&mut self) {
         self.o = Orientation::N
     }
     /// Apply South orientation to the robot.
-    fn to_south(&mut self) {
+    fn turn_south(&mut self) {
         self.o = Orientation::S
     }
     /// Apply East orientation to the robot.
-    fn to_east(&mut self) {
+    fn turn_east(&mut self) {
         self.o = Orientation::E
     }
     /// Apply West orientation to the robot.
-    fn to_west(&mut self) {
+    fn turn_west(&mut self) {
         self.o = Orientation::W
     }
 }