!7

!include #1004241 // Coroutines

static int i;

p {
  // Prelude tests
  
  O b;
  eval(b = _block(
    r { print("hello"); },
    r { print("world."); }));
    
  stepAll(b);
    
  assertEquals("a", new If(func { true }, "a", "b").get());
  assertEquals("b", new If(func { false }, "a", "b").get());
  
  // This is the actual coroutine.
  
  //stepAll_verbose = true;
  stepAll_steps = 0;
  
  stepAll(
  
    // Here it goes:
    
    _for(r { i = 1 }, func { i <= 3 }, r { ++i }, r {
      print("Counting to " + i + "!");
    }
    
    // Done!
      
  ));
  
  print("Steps: " + stepAll_steps); // How many coroutine steps it took.
  print("OK!");
}