Index - D
| def | Play.Engine.Settings, Play.Engine | 
| defArgs | Play.Engine.Movement | 
| defControllerButtonMap | Play.Engine.Input, Play.Engine | 
| defKeyMap | Play.Engine.Input, Play.Engine | 
| DestroyTexture | Play.Engine.MySDL.MySDL | 
| diffMapM | Play.Engine.ListZipper | 
| dirToPlace | Play.Engine.Utils, Play.Engine | 
| Done | Play.Engine.Scene, Play.Engine | 
| duplicates | Play.Engine.Utils, Play.Engine |