work

test/main.lang

@@ -1,7 +1,11 @@
-x :i32 = 3;
+let x: i32 = 3;
 while true {
     print("hello");
     print(x);
 };
 
-y := fn(x: i32) -> i32 {x};
+if x {
+    print("hello");
+}
+
+let y = fn(x: i32) -> i32 {x};