stage1 重构代码

stage1/test20_complex.spl

@@ -253,13 +253,13 @@ fn test_enum_complex() i32 {
 
     /* Verify active variant */
     match s {
-        .Active(val) => {
+        .Active[val] => {
             if val != 42 { ret 1; }
         },
         .Inactive => {
             ret 2;
         },
-        .Pending(px, py) => {
+        .Pending[.x = px, .y = py] => {
             ret 3;
         }
     }
@@ -268,18 +268,18 @@ fn test_enum_complex() i32 {
     var s2: Status = Status { .Inactive };
     var is_inactive: i32 = 0;
     match s2 {
-        .Active(val) => {},
+        .Active[val] => {},
         .Inactive => { is_inactive = 1; },
-        .Pending(px, py) => {}
+        .Pending[.x = px, .y = py] => {}
     }
     if is_inactive != 1 { ret 4; }
 
     /* Test Pending variant with struct data */
     var s3: Status = Status { .Pending = Point { .x = 7, .y = 8 } };
     match s3 {
-        .Active(val) => { ret 5; },
+        .Active[val] => { ret 5; },
         .Inactive => { ret 6; },
-        .Pending(px, py) => {
+        .Pending[.x = px, .y = py] => {
             if px != 7 { ret 7; }
             if py != 8 { ret 8; }
         }