LDM Notes for August 18th, 2025

[333fred]

https://github.com/dotnet/csharplang/blob/main/meetings/2025/LDM-2025-08-18.md

Agenda

• C# 15 Kickoff and Themes
  • Unions
  • Extensions
  • Dictionary expressions
  • Type inference
  • Continuing the null monad
  • Object initialization
  • Top-level methods
  • Caller type name
  • Switch statement/expression improvements

Note

While we will be working on many/most of these topics during the C# 15 timeframe, no release timeframe or guarantee is given at this time.
Particularly for highly requested topics like unions, please keep in mind: we'll get there when we get there.

[TahirAhmadov]

I really hope await? (in some form) gets added to C# 15. Right now it's either boilerplate with an if, or an ugly extension method on a nullable delegate, which I hate stylistically but also it has to be defined for each delegate type.