Add solutions to intro and variables

1 files changed, 13 insertions, 1 deletions

diff --git a/solutions/01_variables/variables3.rs b/solutions/01_variables/variables3.rs
index 4e18198..7db42a9 100644
--- a/solutions/01_variables/variables3.rs
+++ b/solutions/01_variables/variables3.rs
@@ -1 +1,13 @@
-// Solutions will be available before the stable release. Thank you for testing the beta version 🥰
+fn main() {
+    // Reading uninitialized variables isn't allowed in Rust!
+    // Therefore, we need to assign a value first.
+    let x: i32 = 42;
+
+    println!("Number {x}");
+
+    // It possible to declare a variable and initialize it later.
+    // But it can't be used before initialization.
+    let y: i32;
+    y = 42;
+    println!("Number {y}");
+}