File-scoped namespace declaration It seems little, but it has been a useful touch for reusability. As with many of the recent changes in C# 9 and the upcoming C# 10, this change is designed to reduce “noise” in our code and make C# more readable. If you have written C#, you will recognize the format for defining the namespace our code is in: namespace X.Y.Z { //more code } We need those curly braces around all of our classes before we have anything else written; we have at least 4 lines of code already. With file scoped namespaces, we can have the namespace defined without the need for the scoped braces:
