public override Promise <U> Then <U> (Func <T, Promise <U> > done)
{
if (this.IsRejected)
{
return(Promises.Rejected <U>(exception));
}
if (this.IsDisposed)
{
return(Promises.Disposed <U>());
}
var deferred = new Deferred <U>();
Done(t => {
try {
done(t)
.Done(u => deferred.Resolve(u))
.Fail(e => deferred.Reject(e))
.Disposed(() => deferred.Dispose());
}
catch (Exception e) {
deferred.Reject(e);
}
});
Fail(e => deferred.Reject(e));
Disposed(() => deferred.Dispose());
return(deferred);
}
public Promise <T> Where(Predicate <T> condition)
{
return(Then(t => {
if (condition(t))
{
return Promises.Resolved(t);
}
else
{
return Promises.Disposed <T>();
}
}));
}
