From 1a59f67d8720105279d2cf4146bd084c243a086e Mon Sep 17 00:00:00 2001
From: Paul Scarrone <paul@scarrone.co>
Date: Sun, 12 Feb 2023 19:26:09 -0500
Subject: [PATCH 1/7] variables 1

---
 exercises/variables/variables1.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/exercises/variables/variables1.rs b/exercises/variables/variables1.rs
index f4d182ac..84de9fdc 100644
--- a/exercises/variables/variables1.rs
+++ b/exercises/variables/variables1.rs
@@ -2,9 +2,7 @@
 // Make me compile!
 // Execute `rustlings hint variables1` or use the `hint` watch subcommand for a hint.
 
-// I AM NOT DONE
-
 fn main() {
-    x = 5;
+    let x = 5;
     println!("x has the value {}", x);
 }

From fa3c231e709d65c3ac72f77f927ecd0e8680b825 Mon Sep 17 00:00:00 2001
From: Paul Scarrone <paul@scarrone.co>
Date: Sun, 12 Feb 2023 19:27:22 -0500
Subject: [PATCH 2/7] variables 2

---
 exercises/variables/variables2.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/exercises/variables/variables2.rs b/exercises/variables/variables2.rs
index 641aeb8e..ea8b1076 100644
--- a/exercises/variables/variables2.rs
+++ b/exercises/variables/variables2.rs
@@ -1,10 +1,8 @@
 // variables2.rs
 // Execute `rustlings hint variables2` or use the `hint` watch subcommand for a hint.
 
-// I AM NOT DONE
-
 fn main() {
-    let x;
+    let x = 10;
     if x == 10 {
         println!("x is ten!");
     } else {

From 44eb9f7c3c36e0d7a9179dbae514210c59d0c612 Mon Sep 17 00:00:00 2001
From: Paul Scarrone <paul@scarrone.co>
Date: Sun, 12 Feb 2023 19:28:54 -0500
Subject: [PATCH 3/7] variables 3

---
 exercises/variables/variables3.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/exercises/variables/variables3.rs b/exercises/variables/variables3.rs
index 819b1bc7..0f00c9f1 100644
--- a/exercises/variables/variables3.rs
+++ b/exercises/variables/variables3.rs
@@ -1,9 +1,9 @@
 // variables3.rs
 // Execute `rustlings hint variables3` or use the `hint` watch subcommand for a hint.
 
-// I AM NOT DONE
-
 fn main() {
     let x: i32;
+    x = 10;
     println!("Number {}", x);
+    println!("Number {x}");
 }

From 62af9047c76abd742d32ef23219f62b7dfa09403 Mon Sep 17 00:00:00 2001
From: Paul Scarrone <paul@scarrone.co>
Date: Sun, 12 Feb 2023 19:29:56 -0500
Subject: [PATCH 4/7] variables 4

---
 exercises/variables/variables4.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/exercises/variables/variables4.rs b/exercises/variables/variables4.rs
index 54491b0a..8c2ddd6d 100644
--- a/exercises/variables/variables4.rs
+++ b/exercises/variables/variables4.rs
@@ -1,10 +1,8 @@
 // variables4.rs
 // Execute `rustlings hint variables4` or use the `hint` watch subcommand for a hint.
 
-// I AM NOT DONE
-
 fn main() {
-    let x = 3;
+    let mut x = 3;
     println!("Number {}", x);
     x = 5; // don't change this line
     println!("Number {}", x);

From 9bea3818b254561fc9d36413516f36c8ad2af4a8 Mon Sep 17 00:00:00 2001
From: Paul Scarrone <paul@scarrone.co>
Date: Sun, 12 Feb 2023 19:34:34 -0500
Subject: [PATCH 5/7] variables 5

---
 exercises/variables/variables5.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/exercises/variables/variables5.rs b/exercises/variables/variables5.rs
index 0e670d2a..65c0f3cc 100644
--- a/exercises/variables/variables5.rs
+++ b/exercises/variables/variables5.rs
@@ -1,11 +1,9 @@
 // variables5.rs
 // Execute `rustlings hint variables5` or use the `hint` watch subcommand for a hint.
 
-// I AM NOT DONE
-
 fn main() {
     let number = "T-H-R-E-E"; // don't change this line
     println!("Spell a Number : {}", number);
-    number = 3; // don't rename this variable
+    let number: u32 = 3; // don't rename this variable
     println!("Number plus two is : {}", number + 2);
 }

From 09c4f660a5f9ec5df2a52c6ab65fe9068fc7547d Mon Sep 17 00:00:00 2001
From: Paul Scarrone <paul@scarrone.co>
Date: Sun, 12 Feb 2023 19:51:55 -0500
Subject: [PATCH 6/7] Some fun with scopes, shadowing and types in var 5

---
 exercises/variables/variables5.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/exercises/variables/variables5.rs b/exercises/variables/variables5.rs
index 65c0f3cc..7093a23c 100644
--- a/exercises/variables/variables5.rs
+++ b/exercises/variables/variables5.rs
@@ -6,4 +6,9 @@ fn main() {
     println!("Spell a Number : {}", number);
     let number: u32 = 3; // don't rename this variable
     println!("Number plus two is : {}", number + 2);
+    {
+        let number: f32 = 0.1;
+        println!("Number plus 1 is : {}", number + 1.0)
+    }
+    println!("Number plust 0.1 is : {}", number + 1.1 as u32)
 }

From 11d2fee7a06c17f80241980e8c51158cd6bde9c4 Mon Sep 17 00:00:00 2001
From: Paul Scarrone <paul@scarrone.co>
Date: Sun, 12 Feb 2023 19:35:54 -0500
Subject: [PATCH 7/7] variables 6

---
 exercises/variables/variables6.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/exercises/variables/variables6.rs b/exercises/variables/variables6.rs
index a8520122..5021721f 100644
--- a/exercises/variables/variables6.rs
+++ b/exercises/variables/variables6.rs
@@ -1,9 +1,7 @@
 // variables6.rs
 // Execute `rustlings hint variables6` or use the `hint` watch subcommand for a hint.
 
-// I AM NOT DONE
-
-const NUMBER = 3;
+const NUMBER: u32 = 3;
 fn main() {
     println!("Number {}", NUMBER);
 }