Rather than fully removing the key from the map, we set the register value to null. The metadata is kept around so we can disambiguate deletions from states that simply don’t have a key yet. These are called tombstones — the ghosts of CRDTs past.
What This Means for the Market
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與其父親不同，穆傑塔巴一直保持低調。他從未擔任政府職務，也從未公開演說或接受訪問，僅有極少數照片和影片流傳。