private static async Task <Result> JoinA(AsyncResultBase a, AsyncResultBase b)
{
var aResult = await a.GetTaskResult();
var bResult = await b.GetTaskResult();
var messages = aResult.Messages.Concat(bResult.Messages);
var isSuccessful = aResult.IsSuccessful && bResult.IsSuccessful;
return(new Result(messages, isSuccessful));
}
private static async Task <Result> JoinA(AsyncResultBase a, Result b)
{
var aResult = await a.GetTaskResult();
return(Result.Join(aResult, b));
}