/// <summary>
/// Takes a function that yields an enumerable of promises.
/// Converts to a non-value promise.
/// Returns a promise that resolves when the first of the promises has resolved.
/// Yields the value from the first promise that has resolved.
/// </summary>
public IPromise ThenRace(Func <PromisedT, IEnumerable <IPromise> > chain)
{
return(Then(value => Promise.Race(chain(value))));
}
/// <summary>
/// Takes a function that yields an enumerable of promises.
/// Returns a promise that resolves when the first of the promises has resolved.
/// Yields the value from the first promise that has resolved.
/// </summary>
public IPromise <ConvertedT> ThenRace <ConvertedT>(Func <PromisedT, IEnumerable <IPromise <ConvertedT> > > chain)
{
return(Then(value => Promise <ConvertedT> .Race(chain(value))));
}