From 226a48c93ad9ce05ae7b3075d5b4258eedef8d6e Mon Sep 17 00:00:00 2001
From: Hunter Kvalevog <hunter@kvog.sh>
Date: Fri, 18 Sep 2026 16:07:11 -0500
Subject: rustlings: complete 02

---
 rustlings/solutions/02_functions/functions4.rs | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

(limited to 'rustlings/solutions/02_functions/functions4.rs')

diff --git a/rustlings/solutions/02_functions/functions4.rs b/rustlings/solutions/02_functions/functions4.rs
index dcf2377..f823de2 100644
--- a/rustlings/solutions/02_functions/functions4.rs
+++ b/rustlings/solutions/02_functions/functions4.rs
@@ -1,4 +1,17 @@
+fn is_even(num: i64) -> bool {
+    num % 2 == 0
+}
+
+// The return type must always be annotated.
+fn sale_price(price: i64) -> i64 {
+    if is_even(price) {
+        price - 10
+    } else {
+        price - 3
+    }
+}
+
 fn main() {
-    // DON'T EDIT THIS SOLUTION FILE!
-    // It will be automatically filled after you finish the exercise.
+    let original_price = 51;
+    println!("Your sale price is {}", sale_price(original_price));
 }
-- 
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