http://www.infoq.com/articles/code-contracts-csharp article by Jon Skeet about code contracts http://www.infoq.com/articles/code-contracts-csharp http://www.infoq.com/articles/code-contracts-csharp http://www.infoq.com/articles/code-contracts-csharp http://www.infoq.com/articles/code-contracts-csharp http://www.infoq.com/articles/code-contracts-csharp http://www.infoq.com/articles/code-contracts-csharp Code Contracts in C#