From 4dfc11d74ab02ac5765ae5d08fb750c91f4744b4 Mon Sep 17 00:00:00 2001
From: Hunter Kvalevog <hunter@kvog.sh>
Date: Fri, 2 Oct 2026 21:53:51 -0500
Subject: rustlings: move to rust/

---
 rust/rustlings/solutions/01_variables/variables4.rs | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 rust/rustlings/solutions/01_variables/variables4.rs

(limited to 'rust/rustlings/solutions/01_variables/variables4.rs')

diff --git a/rust/rustlings/solutions/01_variables/variables4.rs b/rust/rustlings/solutions/01_variables/variables4.rs
new file mode 100644
index 0000000..7de6bcb
--- /dev/null
+++ b/rust/rustlings/solutions/01_variables/variables4.rs
@@ -0,0 +1,9 @@
+fn main() {
+    // In Rust, variables are immutable by default.
+    // Adding the `mut` keyword after `let` makes the declared variable mutable.
+    let mut x = 3;
+    println!("Number {x}");
+
+    x = 5;
+    println!("Number {x}");
+}
-- 
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