qdx

static void drawString(string text, Vector3 worldPos, Color? colour = null) {
	UnityEditor.Handles.BeginGUI();
	if (colour.HasValue) GUI.color = colour.Value;
	var view = UnityEditor.SceneView.currentDrawingSceneView;
	Vector3 screenPos = view.camera.WorldToScreenPoint(worldPos);
	Vector2 size = GUI.skin.label.CalcSize(new GUIContent(text));
	GUI.Label(new Rect(screenPos.x - (size.x / 2), -screenPos.y + view.position.height + 4, size.x, size.y), text);
	UnityEditor.Handles.EndGUI();
}

qdx

import scala.util.continuations._

class Generator[A] extends Iterator[A] with (A => Unit @ suspendable) {
    private var a: Option[A] = None
    private var k: Option[Unit => Unit] = None
    
    def next = {
	val a0 = a.get
	val k0 = k.get
        a = None