My rule is generally the exact opposite. Anything sufficiently complex that you code is will quickly approach being a language. The .NET class library is a la

My rule is generally the exact opposite. Anything sufficiently complex that you code is will quickly approach being a language. The .NET class library is a language - if you built a a reasonably sized Class Model in Java it would be a language... Thinking about it in terms of language constructs can give a lot of very useful insights.