Flatten nested Rust projects into monorepo

variables/src/main.rs

@@ -0,0 +1,16 @@
+fn main() {
+    let x = 10;
+
+    let x = x * 5;
+
+    {
+        let x = x / 2;
+        println!("x in the inner scope: {x}");
+    }
+
+    println!("x in the outer scope: {x}");
+
+    // let mut space = "   ";
+    // space = space.len();
+    // println!("spaces: {space}");
+}