step to xp

src/player.rs

@@ -8,6 +8,7 @@ pub struct Player {
     life: i16,
     max_life: i16,
     gold: usize,
+    experience: usize,
 }
 
 impl Player {
@@ -18,6 +19,7 @@ impl Player {
             life: max_life,
             max_life,
             gold: 0,
+            experience: 0,
         }
     }
     pub fn get_name(&self) -> String {
@@ -44,6 +46,10 @@ impl Player {
 
     /// return the size of the players gold stash
     pub fn get_gold(&self) -> usize { self.gold }
+
+    pub fn gain_experience(&mut self, amount: usize) { self.experience += amount }
+
+    pub fn get_experience(&self) -> usize { self.experience }
 }
 
 #[test]
@@ -54,6 +60,7 @@ fn test_get_name() {
         life: 5,
         max_life: 10,
         gold: 0,
+        experience: 0,
     };
     assert_eq!(p.get_name(), "Teddy Tester");
 }
@@ -76,6 +83,7 @@ fn test_change_life() {
         life: 5,
         max_life: 10,
         gold: 0,
+        experience: 0,
     };
     assert_eq!(p.get_life(), 5);
     p.change_life(-2);
@@ -108,6 +116,7 @@ fn test_max_life() {
         life: 5,
         max_life: 10,
         gold: 0,
+        experience: 0,
     };
     assert_eq!(p.get_max_life(), 10);
 }