Quick Information/Overview Pattern Type Structural Applicable Language/Framework Agnostic OOP Pattern Source Gang of Four Difficulty Relatively simple Up Front Definitions There are no special definitions that I’ll use here not defined inline. The Problem In keeping with the vehicle theme from the previous post, let’s say that we have an application that models vehicle operation….
Introduction This is going to be the first post in a new series that I’m doing on design patterns. Now, I’m certainly not the first person to post a taxonomy of design patterns and explain them, but I would like to put a different spin on the usual. Normally, I see postings that contain a…
The Problem If you find yourself immersed in a code base that is sometimes or often fast and loose with APIs and internal contracts between components, you might get into the habit of writing a lot of defensive code. This applies to pretty much any programming language, but I’ll give examples here in C#, since…
I’ve recently started to play around with Microsoft Pex, and I’m discovering (1) that there is a non-trivial learning curve; and (2) that it seems like a pretty powerful tool. As best I can tell at this early stage (and admittedly, I’m certainly a neophyte), there seem to be two major components. The first is…
When I first became aware of the Extension Method in C#, my reaction was similar to that of a lot of people–I thought it was a pretty neat trick. For anyone not familiar with extension methods, they are a construct introduced in C# along with LINQ to allow ‘extension’ of a class. Here’s an example:…
