public void RecoverWith_on_Failure_does_call_closure()
{
var t = new Failure<string>(new Exception());
Exception e = null;
Func<Exception, Try<string>> c = ex => {
e = ex;
return new Success<string>("bar");
};
Assert.AreEqual("bar", t.RecoverWith(c).Value);
Assert.AreSame(t.Exception, e);
}