private static async Task _enumerate(AsyncEnumerator <TResult> .Yield yield, SelectContext <TSource, TResult> context) { using (var enumerator = await context.Source.GetAsyncEnumeratorAsync(yield.CancellationToken).ConfigureAwait(false)) { while (await enumerator.MoveNextAsync(yield.CancellationToken).ConfigureAwait(false)) { await yield.ReturnAsync(context.Selector(enumerator.Current)).ConfigureAwait(false); } } }
private static async Task _enumerate(AsyncEnumerator <TResult> .Yield yield, SelectContext <TSource, TResult> context) { try { while (await context.Source.MoveNextAsync(yield.CancellationToken).ConfigureAwait(false)) { await yield.ReturnAsync(context.Selector(context.Source.Current)).ConfigureAwait(false); } } finally { if (context.DisposeSource) { context.Source.Dispose(); } } }