feat: implement objects and classes

exl/class.fzs

@@ -10,9 +10,6 @@ class Point
   }
 }
 
-// NOTE: WHY THE FUCK THIS FUCKING COMPILER REQUIRES ';' AFTER '='?!
-//         |
-//         v
 Point obj = new Point;
 obj.x = 1;
 obj.y = 2;
@@ -21,6 +18,9 @@ printline("Current X,Y:");
 printline(obj.x);
 printline(obj.y);
 
+// NOTE: WHY THE FUCK THIS FUCKING COMPILER REQUIRES ';' AFTER '='?!
+//      |
+//      v
 obj.move(9, 8);
 printline("X,Y after move:");
 printline(obj.x);

exl/fn.fzs

@@ -1,4 +1,4 @@
-int fib(int n)
+fn fib(int n) int
 {
   if (n <= 1)
     return n;
@@ -6,7 +6,7 @@ int fib(int n)
   return fib(n - 1) + fib(n - 2);
 }
 
-uint sum(uint a, uint b)
+fn sum(uint a, uint b) uint
 {
   return a + b;
 }