In this book, we have discussed design patterns, anti-patterns, idioms, programming techniques, and more, but that barely scratches the surface. There are many other kinds of patterns that we could talk about, and there are many more roads to discover.
I have intentionally stayed away from architectural and enterprise patterns. On the one hand, they are not that interesting to the intended audience of this book programmers while, on the other hand, they really cannot be summarized in a few pages. A very thick book would need to be written to cover these two topics and summarizing them on a few pages would only give them injustice.
Instead of that, I have decided to focus on three concepts that don't fit into our previously covered categories but are still very important to an everyday Delphi programmer. I will discuss exceptions, debugging, and functional...
