else or return?

Question

Which one out of following two is best wrt to performance and standard practice. How does .NET internally handles these two code snippets?

Code1

If(r         


        

Answer 1

If you remove the braces around the 2nd version's remaining code, that's exactly what I use. I prefer to make the early validation part of a function obvious, and then I can get down to business.

That being said, it's a matter of opinion. As long as you're consistent about it, pick one and stick with it.

edit: About the performance, the emitted IL is exactly the same. Choose one or the other for the style, there is no penalty to either.