The nuance of working with the var keyword.

[lutk]

Why is there no mention of the nuance of working with the var keyword in any document on this topic?

https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/var
"When var is used with nullable reference types enabled, it always implies a nullable reference type even if the expression type isn't nullable."

In my opinion, this outweighs absolutely all the advantages of using nullable reference types and makes reading and refactoring a real hell.
Madness..

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Сведения о документе

⚠ Не вносите правки в этот раздел. Это необходимо для связывания страницы сайта docs.microsoft.com с вопросом на GitHub.

• ID: a690704d-da32-dca7-ea3e-66b84fb1d00d
• Version Independent ID: 11f314de-dd3a-362e-b2bb-d0a2133cfc7b
• Content: Ссылочные типы, допускающие значение null
• Content Source: docs/csharp/nullable-references.md
• Product: dotnet-csharp
• Technology: csharp-null-safety
• GitHub Login: @BillWagner
• Microsoft Alias: wiwagn

[Youssef1313]

While I think it's reasonable to add this note to the article, I just want to note that the flow analysis is still smart enough and the state of the variable will be "not null" even if the type is deduced as nullable.

So in most situations, you don't need to give much attention.

[BillWagner]

I agree we should add a note on this page. Adding this to our backlog, and adding the "up for grabs" label.