Removed C style flow control

mist-test/src/items/enum_test.mist

@@ -5,7 +5,7 @@ enum OptionInt {
 
 pub fn test_enum_named() {
     let x = OptionInt::None;
-    match (x) {
+    match x {
         OptionInt::None => { assert_eq!(1, 1); }
         OptionInt::Some[_] => { assert_eq!(0, 1); }
     }
@@ -13,7 +13,7 @@ pub fn test_enum_named() {
 
 pub fn test_enum_tuple() {
     let x = OptionInt::Some(42);
-    match (x) {
+    match x {
         OptionInt::None => { assert_eq!(0, 1); }
         OptionInt::Some[v] => { assert_eq!(v, 42); }
     }
@@ -26,13 +26,13 @@ enum Shape {
 
 pub fn test_enum_struct() {
     let c = Shape::Circle { radius: 5 };
-    match (c) {
+    match c {
         Shape::Circle { radius } => { assert_eq!(radius, 5); }
         Shape::Rect { .. } => { assert_eq!(0, 1); }
     }
 
     let r = Shape::Rect { w: 3, h: 4 };
-    match (r) {
+    match r {
         Shape::Circle { .. } => { assert_eq!(0, 1); }
         Shape::Rect { w, h } => { assert_eq!(w * h, 12); }
     }
@@ -46,7 +46,7 @@ enum Color {
 
 pub fn test_enum_eq() {
     let c = Color::Red;
-    match (c) {
+    match c {
         Color::Red => { assert_eq!(1, 1); }
         _ => { assert_eq!(0, 1); }
     }