MovieMan – adding menus
It's time now to take some of the features covered in this chapter and apply them to MovieMan. The code listings here will, unfortunately, be incomplete in the interests of keeping the page count down. However, the complete implementation can be found in the Chapter03/MovieMan directory of the downloadable source code.
The MovieMan menus are implemented as a small set of classes: Menu, MainMenu, and DisplayMenu. We could debate composition versus inheritance, or the use of classes to implement such simple menus, but my priority is to provide a demonstration of D features.
The Menu base class
To get started, save a file called $MOVIEMAN/source/movieman/menu/menu.d. At the very top, add the following lines:
module movieman.menu.menu; ...
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