Exception is thrown if type is placed in the `Validation` namespace

[nZeus]

Describe the bug

This worked well before v5.0.0

Place your type inside the Validation folder:

using Vogen;

namespace Xxx.Validation;

[ValueObject<string>]
public partial record MyValueType {
	//...
}

This error is thrown from the generated class:
error CS0234: The type or namespace name 'Invalid' does not exist in the namespace Xxx.Validation' (are you missing an assembly reference?)`

I think it is related to this piece of code:

Vogen/src/Vogen/GenerateCodeForTryFrom.cs

Line 105 in dedb1f9

return new ValueObjectOrError<{{className}}>(Validation.Invalid("The value provided was null"));

Kind regards,
Ilia

Steps to reproduce

^

Expected behaviour

^

[TipluSebastian]

The code producing the bug seems to be the following:

public static ValueObjectOrError<MyValueObject> TryFrom(System.String value)
{
    if (value is null)
    {
        return new ValueObjectOrError<MyValueObject>(Validation.Invalid("The value provided was null"));
    }

    var validation = MyValueObject.Validate(value);
    if (validation != Vogen.Validation.Ok)
    {
        return new ValueObjectOrError<MyValueObject>(validation);
    }

    return new ValueObjectOrError<MyValueObject>(new MyValueObject(value));
}

Instead of Validation.Invalid("The value provided was null") it should be Vogen.Validation.Invalid("The value provided was null").

[SteveDunn]

Hi, thanks for the feedback @nZeus and @TipluSebastian . I'm just building a fix for this and will release a new version later today.

[AthenaAzuraeaX]

I think the bigger problem here is that Vogen relies on using directives. If anything conflicts with names in the Vogen namespace, than the generator will generate incorrect code. It would be best for the generator to use the full names of the types and not add the use Vogen directive at the top of the generated files.

[SteveDunn]

I think the bigger problem here is that Vogen relies on using directives. If anything conflicts with names in the Vogen namespace, than the generator will generate incorrect code. It would be best for the generator to use the full names of the types and not add the use Vogen directive at the top of the generated files.

That is a very good point! The next release won't have these in.

[SteveDunn]

Fixed in 5.0.2