main :: () -> void {
  a :u64= 1;
  b := &a;
  c := &b;
  print_u64 b.*;
  print_u64 a;
  a = 2;
  print_u64 b.*;
  print_u64 a;
  b.* = 3;
  print_u64 b.*;
  print_u64 a;
  foo(a);
  print_u64 b.*;
  print_u64 a;
  bar(b);
  print_u64 b.*;
  print_u64 a;
  print_u64 c.*.*;
  c.*.* = 6;
  print_u64 b.*;
  print_u64 a;
  print_u64 c.*.*;
};

foo :: (a:u64)->void{
  a = 4;
};

bar :: (a:*u64)->void{
  a.* = 5;
};