Completed exercise up to Traits

exercises/12_options/options2.rs

@@ -10,7 +10,10 @@ mod tests {
         let optional_target = Some(target);
 
         // TODO: Make this an if-let statement whose value is `Some`.
-        word = optional_target {
+        // word = optional_target {
+        //     assert_eq!(word, target);
+        // }
+        if let Some(word) = optional_target {
             assert_eq!(word, target);
         }
     }
@@ -29,10 +32,16 @@ mod tests {
         // TODO: Make this a while-let statement. Remember that `Vec::pop()`
         // adds another layer of `Option`. You can do nested pattern matching
         // in if-let and while-let statements.
-        integer = optional_integers.pop() {
-            assert_eq!(integer, cursor);
-            cursor -= 1;
+        while let Some(integer) = optional_integers.pop() {
+            if let Some(integer_value) = integer {
+                println!("integer_value (left): {}, cursor (right): {}", integer_value, cursor);
+                assert_eq!(integer_value, cursor);
+                cursor -= 1;
+            } else {
+                println!("None value, cursor: {}", cursor);
+            }
         }
+        
 
         assert_eq!(cursor, 0);
     }