[C# 14-Tutorials]: New Feature - Use new Extensions in samples and snippets

[BillWagner]

Visual Studio release

17.14.p3

Link to speclet

• Speclet

Link to Pull request

• PR

New behavior

Static classes can include extension containers. These provide new syntax for extension members.

New tutorials

We have a large number of samples that demonstrate extension members. After the G.A. release in November, we should update most of them to use and show the new syntax as the preferred syntax moving forward.

For historical reasons, we should continue to show the existing this syntax.

[DevTKSS]

@BillWagner not sure if your Issue here is to this page but its closely related in my opinion:

https://github.com/dotnet/docs/blob/main/docs%2Fcsharp%2Fprogramming-guide%2Fclasses-and-structs%2Fextension-methods.md

The first paragraph here includes two

<< ... >>

Which seems to me kind of misplaced🤔 could you have a look at this?

If you are busy with other stuff I could try to help out on this, if someone could tell what should instead be there😅 did no ms learn docs so far only regular docfx md docs PR but beside some documented ms specifics I think it will be very similar.

[BillWagner]

Thanks @DevTKSS

That's what happens when you leave yourself notes while proofreading and forget to clean them up.....

I'll make a PR for it today.