using System; namespace Implab { public struct ResolvedPromise : IPromise { public Type ResultType => typeof(void); public bool IsResolved => true; public bool IsRejected => false; public bool IsFulfilled => true; public Exception RejectReason => null; public IPromise Cast() { throw new InvalidCastException(); } public void Join() { } public void Join(int timeout) { } public void Then(IResolvable next) { next.Resolve(); } } }