[BUG] readme says to use ValidationRule on ReactiveValidationObject but it doesn't exist about reactiveui.validation HOT 5 CLOSED

from reactiveui.validation.

It exists as a extension method so make sure you include the correct namespaces

from reactiveui.validation.

Oh, thanks.
The problem with extension methods is that they look like normal methods and are completely undiscoverable, (ctrl . reactoring doesn't find it) So you have to just know that it's an extension method, and you have to just know what namespace it's in.

I think it would be helpful if the example in the readme example included the using statement. This would go a long way to helping with the on boarding experience for new users.

I would also suggest rethinking using extension methods like this as it will trip up a lot of new users.

from reactiveui.validation.

Good idea in regards to the readme.

Extension methods are used pretty extensively throughout the entire ReactiveUI suite. Visual Studio 2022 has become a lot better at picking up when you should use an extension method these days.

Reason for the extension method it allows you to provide your own object types to validate against since not everyone will want to use the ReactiveValidationObject class.

from reactiveui.validation.

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from reactiveui.validation.