code: func (chunk ChunkChecksum) Match(other ChunkChecksum) bool {
  	weakEqual := bytes.Compare(chunk.WeakChecksum, other.WeakChecksum) == 0
  	strongEqual := false
  	if weakEqual {
  		strongEqual = bytes.Compare(chunk.StrongChecksum, other.StrongChecksum) == 0
  	}
  	return weakEqual && strongEqual
  }
docs: // compares a checksum to another based on the checksums, not the offset