public void can_close_and_reopen()
 {
     _filter.Add("hello");
     _filter.Dispose();
     using var newFilter = new MemoryMappedFileStreamBloomFilter(_path, create: false, MemoryMappedFileBloomFilter.MinSizeKB * 1000, hasher: null);
     Assert.IsTrue(newFilter.MightContain("hello"));
 }
 public void Teardown() => _filter?.Dispose();