public static ValueTask <ArraySegment <byte> > PeekAsync(this SocketInput input)
{
while (input.IsCompleted)
{
var fin = input.CheckFinOrThrow();
var begin = input.ConsumingStart();
var segment = begin.PeekArraySegment();
input.ConsumingComplete(begin, begin);
if (segment.Count != 0 || fin)
{
return(new ValueTask <ArraySegment <byte> >(segment));
}
}
return(new ValueTask <ArraySegment <byte> >(input.PeekAsyncAwaited()));
}
