1 files changed, 17 insertions, 13 deletions
diff --git a/exercises/06_move_semantics/move_semantics1.rs b/exercises/06_move_semantics/move_semantics1.rs
index c612ba9..8c3fe3a 100644
--- a/exercises/06_move_semantics/move_semantics1.rs
+++ b/exercises/06_move_semantics/move_semantics1.rs
@@ -1,21 +1,25 @@
-// move_semantics1.rs
-//
-// Execute `rustlings hint move_semantics1` or use the `hint` watch subcommand
-// for a hint.
+fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
+    let vec = vec;
 
-#[test]
-fn main() {
-    let vec0 = vec![22, 44, 66];
+    vec.push(88);
 
-    let vec1 = fill_vec(vec0);
+    vec
+}
 
-    assert_eq!(vec1, vec![22, 44, 66, 88]);
+fn main() {
+    // You can optionally experiment here.
 }
 
-fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
-    let vec = vec;
+#[cfg(test)]
+mod tests {
+    use super::*;
 
-    vec.push(88);
+    #[test]
+    fn move_semantics1() {
+        let vec0 = vec![22, 44, 66];
 
-    vec
+        let vec1 = fill_vec(vec0);
+
+        assert_eq!(vec1, vec![22, 44, 66, 88]);
+    }
 }