progress variables

Cargo.toml

@@ -2,7 +2,6 @@
 exclude = [
   "tests/test_exercises",
   "dev",
-  "exercises",
 ]
 
 [workspace.package]

exercises/01_variables/variables5.rs

@@ -3,6 +3,6 @@ fn main() {
     println!("Spell a number: {number}");
 
     // TODO: Fix the compiler error by changing the line below without renaming the variable.
-    number = 3;
+    let mut number = 3;
     println!("Number plus two is: {}", number + 2);
 }

exercises/01_variables/variables6.rs

@@ -1,5 +1,5 @@
 // TODO: Change the line below to fix the compiler error.
-const NUMBER = 3;
+const NUMBER: i32 = 3;
 
 fn main() {
     println!("Number: {NUMBER}");

exercises/02_functions/functions1.rs

@@ -1,4 +1,7 @@
 // TODO: Add some function with the name `call_me` without arguments or a return value.
+fn call_me() {
+
+}
 
 fn main() {
     call_me(); // Don't change this line

exercises/02_functions/functions2.rs

@@ -1,5 +1,5 @@
 // TODO: Add the missing type of the argument `num` after the colon `:`.
-fn call_me(num:) {
+fn call_me(num:i32) {
     for i in 0..num {
         println!("Ring! Call number {}", i + 1);
     }

exercises/02_functions/functions3.rs

@@ -6,5 +6,5 @@ fn call_me(num: u8) {
 
 fn main() {
     // TODO: Fix the function call.
-    call_me();
+    call_me(32);
 }