From b5e81a915be0a433daa00926a3b354c8c95d159f Mon Sep 17 00:00:00 2001
From: Paul Czeresko <p.czeresko.3@gmail.com>
Date: Sat, 20 Jul 2019 11:46:11 -0400
Subject: [PATCH] Complete functions section

---
 exercises/functions/functions1.rs | 4 ++++
 exercises/functions/functions2.rs | 2 +-
 exercises/functions/functions3.rs | 2 +-
 exercises/functions/functions4.rs | 2 +-
 exercises/functions/functions5.rs | 2 +-
 5 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/exercises/functions/functions1.rs b/exercises/functions/functions1.rs
index 396dd56f..3dbc70a3 100644
--- a/exercises/functions/functions1.rs
+++ b/exercises/functions/functions1.rs
@@ -1,6 +1,10 @@
 // functions1.rs
 // Make me compile! Scroll down for hints :)
 
+fn call_me() -> () {
+    println!("I have been called!");
+}
+
 fn main() {
     call_me();
 }
diff --git a/exercises/functions/functions2.rs b/exercises/functions/functions2.rs
index 1cf95c32..0b7a2ae5 100644
--- a/exercises/functions/functions2.rs
+++ b/exercises/functions/functions2.rs
@@ -5,7 +5,7 @@ fn main() {
     call_me(3);
 }
 
-fn call_me(num) {
+fn call_me(num: i32) {
     for i in 0..num {
         println!("Ring! Call number {}", i + 1);
     }
diff --git a/exercises/functions/functions3.rs b/exercises/functions/functions3.rs
index b17543b3..b5a044aa 100644
--- a/exercises/functions/functions3.rs
+++ b/exercises/functions/functions3.rs
@@ -2,7 +2,7 @@
 // Make me compile! Scroll down for hints :)
 
 fn main() {
-    call_me();
+    call_me(12);
 }
 
 fn call_me(num: i32) {
diff --git a/exercises/functions/functions4.rs b/exercises/functions/functions4.rs
index 5baca0e6..717b3ed3 100644
--- a/exercises/functions/functions4.rs
+++ b/exercises/functions/functions4.rs
@@ -9,7 +9,7 @@ fn main() {
     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 d9227c9e..299ab2f3 100644
--- a/exercises/functions/functions5.rs
+++ b/exercises/functions/functions5.rs
@@ -7,7 +7,7 @@ fn main() {
 }
 
 fn square(num: i32) -> i32 {
-    num * num;
+    num * num
 }