compiler-warnings

C# – How to treat warnings like errors

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Warnings are easy to ignore and forget about, which isn’t good. They point out potential problems that you might want to fix. To make it easier to pay attention to warnings, you can treat them like errors. You can choose which warnings to treat like errors by using settings in the project file (or in … Read more

C# – Nullable Reference Types feature basics

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The main purpose of the Nullable Reference Types (NRT) feature is to help prevent NullReferenceExceptions by showing you compiler warnings. You can make a reference type nullable (ex: Movie? movie) or non-nullable (ex: Movie movie). This allows you to indicate how you plan on using these references. The compiler uses this info while analyzing actual … Read more

XML doc warnings: CS1573 and CS1572

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I’ll show examples of the XML documentation warnings and how to fix them. CS1573 Parameter ‘X’ has no matching param tag in the XML comment (but other parameters do) Warning CS1573 means there’s a missing <param> tag for one of the method parameters. This usually happens when you add a new parameter (or rename one … Read more