/// <summary>
/// Returns true/false if query returns any result
/// </summary>
public Task <bool> ExistsAsync()
{
var tcs = new TaskCompletionSource <bool>();
_liteDatabaseAsync.Enqueue(tcs, () => {
tcs.SetResult(_wrappedQuery.Exists());
});
return(tcs.Task);
}
/// <summary>
/// Returns true/false if query returns any result
/// </summary>
public Task <bool> ExistsAsync()
{
return(_liteDatabaseAsync.EnqueueAsync(
() => _wrappedQuery.Exists()));
}