From 4dfc11d74ab02ac5765ae5d08fb750c91f4744b4 Mon Sep 17 00:00:00 2001
From: Hunter Kvalevog <hunter@kvog.sh>
Date: Fri, 2 Oct 2026 21:53:51 -0500
Subject: rustlings: move to rust/

---
 rust/rustlings/solutions/02_functions/functions4.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 rust/rustlings/solutions/02_functions/functions4.rs

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

diff --git a/rust/rustlings/solutions/02_functions/functions4.rs b/rust/rustlings/solutions/02_functions/functions4.rs
new file mode 100644
index 0000000..f823de2
--- /dev/null
+++ b/rust/rustlings/solutions/02_functions/functions4.rs
@@ -0,0 +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() {
+    let original_price = 51;
+    println!("Your sale price is {}", sale_price(original_price));
+}
-- 
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