Always up-to-d8!
What's new in Umbraco C# 8?
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mzajkowski
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Question 1/64
Who already installed
Visual Studio 2019 (or used it in the Preview)?
Question 2/64
Who is regularly using C# 7 features?
If it's there - use it.
If you can't use the latest C# Umbraco at work, do it at least at home!
(unless you're working from home...)
public class GoldenThought1 : ITweetable {
}
C# history in a nutshell
- C# 3 - LINQ FTW!
- C# 4 - Dynamics FTW!
- C# 5 - Async FTW!
-
C# 6 - ???
- Roslyn (compiler-as-a-service)
- Exception fillters
- Auto property initializers & default values for getter-only properties
- Expression-bodied members
- Null propagator
- String interpolation
- nameof
-
C# 7 - ???
- Out variables
- Pattern Matching FTW!
- Tuples
- Local functions
- Ref, ref, ref... (returns, locals)
- Expression-bodied constructors, finalizers, getters and setters
- C# 8 - ???
C# FTW!
C# 7.1
14th August 2017
Visual Studio 2017 Update 3 (version 15.3)
https://github.com/dotnet/csharplang
https://github.com/dotnet (Roslyn,
Contribute!
Gotchas!
C# 8.x with Umbraco?
Nah, not yet...
Works only in
VS 2019 Preview
(for now - why??)
What's next?!
Default Interface Members
MySweetClassWhichIDontWantToModify myClass =
new MySweetClassWhichIDontWantToModify();
// Won't work because FireAllDevs() is private
myClass.FireAllDevs();
ICanHasDefaultMembers myClassOnSteroids =
(ICanHasDefaultMembers)myClass;
myClassOnSteroids.FireAllDevs(); // It works!Implicitly Typed
new-expressions
Where to look for more
C# in Depth book by J. Skeet (4th Edition - preorder)
https://channel9.msdn.com/Blogs/Seth-Juarez/A-Preview-of-C-8-with-Mads-Torgersen (Thanks Mads!)
https://rubikscode.net/2017/10/23/c-8-the-shape-of-the-things-to-come/
https://github.com/jskeet/DemoCode/tree/master/CSharp8
https://devblogs.microsoft.com/dotnet/building-c-8-0/
https://devblogs.microsoft.com/dotnet/take-c-8-0-for-a-spin/
https://devblogs.microsoft.com/dotnet/do-more-with-patterns-in-c-8-0/
Marcin Zajkowski
Umbraco MVP, Trainer & Certified Master @ The Cogworks
CTO / CKO @ WOW School
Marcin @ umbraCoffee (Friday's 12:30 on YT)
Blogger @ udfnd.pl
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mzajkowski
zajkowskimarcin
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