From 7250f5077ab8a024debcced8b28bc20558932716 Mon Sep 17 00:00:00 2001
From: "stephan.klauberg" <stephan.klauberg@mailbox.org>
Date: Sat, 23 Sep 2023 18:05:06 +0200
Subject: [PATCH] fuctions done

---
 exercises/functions/functions2.rs | 2 +-
 exercises/functions/functions3.rs | 4 ++--
 exercises/functions/functions4.rs | 4 ++--
 exercises/functions/functions5.rs | 4 ++--
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/exercises/functions/functions2.rs b/exercises/functions/functions2.rs
index 206f783a..d2d848aa 100644
--- a/exercises/functions/functions2.rs
+++ b/exercises/functions/functions2.rs
@@ -3,7 +3,7 @@
 // Execute `rustlings hint functions2` or use the `hint` watch subcommand for a
 // hint.
 
-// I AM NOT DONE
+// I AM DONE
 
 fn main() {
     call_me(3);
diff --git a/exercises/functions/functions3.rs b/exercises/functions/functions3.rs
index 74f44d6d..429d7651 100644
--- a/exercises/functions/functions3.rs
+++ b/exercises/functions/functions3.rs
@@ -3,10 +3,10 @@
 // Execute `rustlings hint functions3` or use the `hint` watch subcommand for a
 // hint.
 
-// I AM NOT DONE
+// I AM DONE
 
 fn main() {
-    call_me();
+    call_me(2);
 }
 
 fn call_me(num: u32) {
diff --git a/exercises/functions/functions4.rs b/exercises/functions/functions4.rs
index 77c4b2aa..ab1239a1 100644
--- a/exercises/functions/functions4.rs
+++ b/exercises/functions/functions4.rs
@@ -8,14 +8,14 @@
 // Execute `rustlings hint functions4` or use the `hint` watch subcommand for a
 // hint.
 
-// I AM NOT DONE
+// I AM DONE
 
 fn main() {
     let original_price = 51;
     println!("Your sale price is {}", sale_price(original_price));
 }
 
-fn sale_price(price: i32) -> {
+fn sale_price(price: i32) -> i32 {
     if is_even(price) {
         price - 10
     } else {
diff --git a/exercises/functions/functions5.rs b/exercises/functions/functions5.rs
index f1b63f48..38ed6f1f 100644
--- a/exercises/functions/functions5.rs
+++ b/exercises/functions/functions5.rs
@@ -3,7 +3,7 @@
 // Execute `rustlings hint functions5` or use the `hint` watch subcommand for a
 // hint.
 
-// I AM NOT DONE
+// I AM DONE
 
 fn main() {
     let answer = square(3);
@@ -11,5 +11,5 @@ fn main() {
 }
 
 fn square(num: i32) -> i32 {
-    num * num;
+    num * num
 }