Code Contracts Primer – Part 2: Handling Legacy Code

So the one of the first questions that many people ask when talking about using the Code Contracts library is ‘what do I do about my legacy code?’. Asking this is a very valid question. If your team has already subscribed to the design-by-contract or fail-fast concepts then maybe you have already added in your own checks. If this is the case the contracts team has thought of you and has already provided a simple answer.