rustlings: complete 02

1 files changed, 7 insertions, 2 deletions

diff --git a/rustlings/solutions/02_functions/functions5.rs b/rustlings/solutions/02_functions/functions5.rs
index dcf2377..677f327 100644
--- a/rustlings/solutions/02_functions/functions5.rs
+++ b/rustlings/solutions/02_functions/functions5.rs
@@ -1,4 +1,9 @@
+fn square(num: i32) -> i32 {
+    // Removed the semicolon `;` at the end of the line below to implicitly return the result.
+    num * num
+}
+
 fn main() {
-    // DON'T EDIT THIS SOLUTION FILE!
-    // It will be automatically filled after you finish the exercise.
+    let answer = square(3);
+    println!("The square of 3 is {answer}");
 }