Just another update

Task/Fibonacci-sequence/Rust/fibonacci-sequence-2.rust

@@ -1,19 +1,17 @@
+// Works with 0.13.0-dev (f673e9841)
 fn main() {
+    fn fib(n: int) -> int {
+        fn _fib(n: int, a: int, b: int) -> int {
+            match (n, a, b) {
+                (0, _, _) => a,
+                _         => _fib(n-1, a+b, a)
+            }
+        }
 
-   fn fib(n: int) -> int {
+        _fib(n, 0, 1)
+    }
 
-     fn _fib(n: int, a: int, b: int) -> int {
-       match (n, a, b) {
-	 (0, _, _) => a,
-	 _         => _fib(n-1, a+b, a)
-       }
-     }
-
-     _fib(n, 0, 1)
-
-   }
-
-   for n in range(0,20)  {
-     println(fmt!("%d", fib(n)))
-   }
+    for n in range(0, 20) {
+        println!("{}", fib(n));
+    }
 }