1 files changed, 9 insertions, 2 deletions
diff --git a/rustlings/solutions/02_functions/functions2.rs b/rustlings/solutions/02_functions/functions2.rs
index dcf2377..f14ffa3 100644
--- a/rustlings/solutions/02_functions/functions2.rs
+++ b/rustlings/solutions/02_functions/functions2.rs
@@ -1,4 +1,11 @@
+// The type of function arguments must be annotated.
+// Added the type annotation `u64`.
+fn call_me(num: u64) {
+    for i in 0..num {
+        println!("Ring! Call number {}", i + 1);
+    }
+}
+
 fn main() {
-    // DON'T EDIT THIS SOLUTION FILE!
-    // It will be automatically filled after you finish the exercise.
+    call_me(3);
 }