FluentValidationAdapter should be updated

[sm-g]

https://github.com/canton7/Stylet/wiki/FluentValidationAdapter

with recent version of FluentValidation this code should be used:

public async Task<IEnumerable<string>> ValidatePropertyAsync(string propertyName)
        {
            // If someone's calling us synchronously, and ValidationAsync does not complete synchronously,
            // we'll deadlock unless we continue on another thread.
            return (await _validator.ValidateAsync(_subject, x => x.IncludeProperties(propertyName)).ConfigureAwait(false))
                .Errors.Select(x => x.ErrorMessage);
        }

[canton7]

Thanks, updated!

[MrCoffeeAtGitHub]

Oh, no. Now, I can't compile it since _subject is unknown. Just copy the implementation from the samples to the wiki.

public async Task<IEnumerable> ValidatePropertyAsync(string propertyName)
{
// If someone's calling us synchronously, and ValidationAsync does not complete synchronously,
// we'll deadlock unless we continue on another thread.
return (await this.validator.ValidateAsync(this.subject, CancellationToken.None, propertyName).ConfigureAwait(false))
.Errors.Select(x => x.ErrorMessage);
}

P.S. The code-formatting didn't work properly :-(