// wait for a tryreadasync to finish, then continue async
static async ValueTask <List <T> > ReadAllAsync_ContinueAfterTryReadAsync(AsyncReader <T> self, ValueTask <ReadResult <T> > waitFor, List <T> ret, CancellationToken cancel)
{
var other = await waitFor;
if (other.HasValue)
{
ret.Add(other.Value);
}
else
{
return(ret);
}
while (true)
{
var res = await self.TryReadAsync(cancel);
if (res.HasValue)
{
ret.Add(res.Value);
}
else
{
break;
}
}
return(ret);
}
public ValueTask <bool> MoveNextAsync()
{
AssertNotDisposed();
var task = Reader.TryReadAsync(Token);
if (task.IsCompletedSuccessfully)
{
var res = task.Result;
if (!res.HasValue)
{
return(new ValueTask <bool>(false));
}
Current = res.Value;
return(new ValueTask <bool>(true));
}
return(MoveNextAsync_ContinueAfterReadAsync(this, task, Token));
