A presentation at Oxford .NET Meetup by Stuart Lang
C# 10 A Sneaky Peek 👀
HELLO! I am Stuart Lang You can find me at https://stu.dev DMs open!
Quick Recap
C# 9 Recap
C# 9 Recap › › › › Top-level Statements Records Pattern Matching Enhancements Source Generators
› .NET 6 Preview 7 › https://aka.ms/dotnet-download
› LINQPad 6 beta › Go to Edit | Preferences > Query › Check “Use Roslyn Daily build”
› https://sharplab.io › Select the Roslyn branch dropdown › Pick “main”
File Scoped Namespaces 7
Global Usings
Console app
Worker app
Web app
Record Structs
SharpLab Example: https://sharplab.io/#v2:EYLgtghglgdgNAExAagD4AEBMBGAsAKAIHoiA3CAJwAIBnAF0roAUB7GqOqFmKgXipgBTAO5UAwixYUEsCHUE0AFNjiYAlAG5iZSgJGt2nbn1oMKzNhy49hHABZUA3gBk5JgCwBfLfhLpsAJyKQsIGVtyaBAQUggDGUgimFACusXTiktKy8koILMnAADaCVK50cFR5BcWl3ADmkYS+RPQpaRkJ2QqO6ADMlflFJWVOdYJ0GrAcGp5UfQPVw/Wj45Mw057eQA
More on Records Records Deep Dive: What, Why and How - David Wengier - NDC Melbourne 2021: https://www.youtube.com/watch?v=lxwNcg2q1-Y 27
Better Lambdas
Before…
Natural Inferred Types for Lambdas
Explicit Lambda Return Types
Lambda Attributes
Minimal APIs
With our powers combined…
The Simplest API
Source: Damian Edwards
Source: Damian Edwards
Caller Expression Attribute
Caller Attributes Recap › [CallerMemberName] › [CallerFilePath] › [CallerLineNumber]
CallerArgementExpression
String Interpolation Improvements
Const Interpolation
String Interpolation Handler
String Interpolation Handler
String Interpolation Handler
Extended Property Pattern
Extended Property Pattern
Required Properties C# 11
!! (Bang Bang) C# 11
Raw String Literals C# 11
Raw String Literals
Generic Attributes C# 11
Generic Attributes
Static Abstracts in Interfaces In Preview
More Resources › .NET 5 & C# 9 Talk - https://drive.google.com/file/d/1IZg12xyrtsH8OPIfpWYl9zlyIUjAhmmq/view?usp=sharing › C# Language Design - https://github.com/dotnet/csharplang/ › Language Feature Status - https://github.com/dotnet/roslyn/blob/main/docs/Language%20Feature%20Status.md › Mads Torgersen Talk - C# 10 - https://www.youtube.com/watch?v=HCiY2Ubm3yA
THANKS! Any questions? You can find me at: @stuartblang · https://stu.dev
for free. You
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