"Fix" examples and add TODOs for later syntax

src/test/clock.fae

@@ -4,11 +4,12 @@ interface Update {
 }
 
 struct Clock12Hr {
-    bool pm = true,
-    u8 hours = 12,
-    u8 minutes = 0,
-    u8 seconds = 0,
-    f64 sub = 0.0,
+    // TODO structure member initialization expressions
+    bool pm, // = true,
+    u8 hours, // = 12,
+    u8 minutes, // = 0,
+    u8 seconds, // = 0,
+    f64 sub, // = 0.0,
 }
 
 impl Clock12Hr {
@@ -32,8 +33,10 @@ impl Clock12Hr {
         .hours = .hours + 1;
         if .hours >= 13 {
             .hours = 1;
-        } else if hours == 12 {
-            .hours = not .hours;
+        } else { // TODO else-if statements
+            if hours == 12 {
+                .pm = not .pm;
+            }
         }
     }
 }

src/test/example.fae

@@ -7,11 +7,11 @@ struct World {
     u32 numdots,
     BitArray next,
 
-    // members can have default initialization values
-    i32 xmin = 1'000'000,
-    i32 xmax = -1,
-    i32 ymin = 1'000'000,
-    i32 ymax = -1,
+    // TODO member default initialization
+    i32 xmin, // = 1'000'000,
+    i32 xmax, // = -1,
+    i32 ymin, // = 1'000'000,
+    i32 ymax, // = -1,
 }
 
 // non-associated function, operates in the scope of its arguments only
@@ -47,7 +47,8 @@ World mut fn set_next(i32 i, i32 j) {
         if neighbors != 3 {
             0
         } else {
-            numdots++;
+            // TODO binary operator assignment shorthand
+            numdots = numdots + 1;
             1
         }
     } else {
@@ -55,7 +56,8 @@ World mut fn set_next(i32 i, i32 j) {
         if neighbors == 2 or neighbors == 3 {
             1
         } else {
-            numdots--;
+            // TODO binary operator assignment shorthand
+            numdots = numdots - 1;
             0
         }
     };