Updated tests and fixed grammar

mist-test/src/items/struct_test.mist

@@ -1,23 +1,23 @@
 pub module struct_test;
 
 struct Point {
-    x i32,
-    y i32,
+    i32 x,
+    i32 y,
 }
 
-pub fn void test_struct_create_access() {
+pub void test_struct_create_access() {
     let p = Point { x: 10, y: 20 };
     assert_eq!(p.x, 10);
     assert_eq!(p.y, 20);
 }
 
-pub fn void test_struct_mut_field() {
+pub void test_struct_mut_field() {
     let mut p = Point { x: 1, y: 2 };
     p.x = 100;
     assert_eq!(p.x, 100);
 }
 
-pub fn void test_struct_destructure() {
+pub void test_struct_destructure() {
     let p = Point { x: 3, y: 4 };
     let Point { x, y } = p;
     assert_eq!(x, 3);
@@ -25,11 +25,11 @@ pub fn void test_struct_destructure() {
 }
 
 struct Line {
-    start Point,
-    end Point,
+    Point start,
+    Point end,
 }
 
-pub fn void test_struct_nested() {
+pub void test_struct_nested() {
     let l = Line {
         start: Point { x: 0, y: 0 },
         end: Point { x: 5, y: 10 },
@@ -38,7 +38,7 @@ pub fn void test_struct_nested() {
     assert_eq!(l.end.y, 10);
 }
 
-pub fn void run_tests() {
+pub void run_tests() {
     test_struct_create_access();
     test_struct_mut_field();
     test_struct_destructure();