Fix formatter bugs

mist-test/src/items/struct_test.mist

@@ -6,20 +6,29 @@ struct Point {
 }
 
 pub void test_struct_create_access() {
-    let p = Point { x: 10, y: 20 };
+    let p = Point {
+        x: 10,
+        y: 20,
+    };
     assert_eq!(p.x, 10);
     assert_eq!(p.y, 20);
 }
 
 pub void test_struct_mut_field() {
-    let mut p = Point { x: 1, y: 2 };
+    let mut p = Point {
+        x: 1,
+        y: 2,
+    };
     p.x = 100;
     assert_eq!(p.x, 100);
 }
 
 pub void test_struct_destructure() {
-    let p = Point { x: 3, y: 4 };
-    let Point { x, y } = p;
+    let p = Point {
+        x: 3,
+        y: 4,
+    };
+    let Point {x, y} = p;
     assert_eq!(x, 3);
     assert_eq!(y, 4);
 }
@@ -31,8 +40,14 @@ struct Line {
 
 pub void test_struct_nested() {
     let l = Line {
-        start: Point { x: 0, y: 0 },
-        end: Point { x: 5, y: 10 },
+        start: Point {
+            x: 0,
+            y: 0,
+        },
+        end: Point {
+            x: 5,
+            y: 10,
+        },
     };
     assert_eq!(l.start.x, 0);
     assert_eq!(l.end.y, 10);