C# in Depth, Fourth Edition

Chapter 14. Concise code in C# 7

This chapter covers

• Declaring methods within methods
• Simplifying calls by using out parameters
• Writing numeric literals more readably
• Using throw as an expression
• Using default literals

C# 7 comes with large features that change the way we approach code: tuples, deconstruction, and patterns. It comes with complex but effective features that are squarely aimed at high-performance scenarios. It also comes with a set of small features that just make life a little bit more pleasant. There’s no single feature in this chapter that’s earth-shattering; each makes a small difference, and the combination of all of them can lead to beautifully concise, clear code.

14.1. Local methods

If this weren’t ...