A small release with async main, default literals and inferred tuple names.

This release added 4 features, each with a before-and-after example.

Features in C# 7.1

• Async main - Use async and await directly in Program.Main.
• Default literals - Use default without specifying the type explicitly.
• Generic type pattern matching - Use pattern matching with generic type constraints.
• Inferred tuple element names - Infer tuple element names from variable names.

Nearby versions

C# 7.2 and later · C# 7.0 and earlier