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