Install from NuGet: dotnet add package RecordException
Then define your exceptions like this:
using RecordExceptions;
public record MissingIdException(int id): RecordException;The exception message will automatically be MissingIdException: id = {id}.
Probably fine for debugging, but if you want to customize that, you can:
public record MissingIdException(int id): RecordException
{
public override string Message => $"Id {id} is missing";
}The message may also be specified in the construtor:
public record OperationCancelledException: RecordException("User has cancelled the operation.")You can also wrap exception into InnerException, it might be useful for adding relevant information:
public record SomethingBad(Exception InnerException): RecordException("Something really bad has happened", InnerException);Notes:
- If you are using some parameters in your message, prefer to override the Message property if you want the
x with { Prop = newValue }syntax to work. - Even when you provide your own message, all properties will be shown bellow the stacktrace. If you don't like this,
public override string ToString() => base.ToString();. - Don't be too surprised if this stops working with the next C# version 😅. Yes, records are not supposed to inherit from System.Exception. But they forgot to check base type of a base type ;)
License is MIT, so you can use it however you want to. If you need a record inheriting from another class, feel free to fork this repo.