Why Is The Return Type Parameter Last?

The generic delegate type Func<A, R> is defined as delegate R Func<A, R>(A arg). That is, the argument type is to the left of return type in the declaration of the generic type parameters, but to the right of the return type when they are used. What's up with that? Wouldn't it be a lot more natural to define it as delegate R Func<R, A>(A arg), so that...Full Article.