Create a new Rule to validate nullable reference types,null forgiving and unnecerssary ?. , ! and!

Rules and Languages New rules / language support
,
1

Imagine this class

public class Base
{
     public Child Child {get;set;} = new Child();
}
public class Child
{
     public string Description {get;set;} = string.Empty;
}

and in my code I have


var x = new Base();

var d = x.Child?.Description;

How can I show a message that this ?. is not necessary because it can’t be null?

1 Like
7

Hey @luizfbicalho

Thanks for the suggestion, it’s a very good one.
I made an issue about this on sonar-dotnet, which you can find here

It will be considered and taken care of during an upcoming sprint about similar, null-tracking rules.

Regards,
Greg

3 Likes
8

Thanks for the answer, I added some more information in the issue

2 Likes
10

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