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.
The companies that understand this will win. The rest will eventually learn the hard way.，更多细节参见同城约会
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Without either pipeline, all three backends still work — Tier 1 functions use direct calls and Tier 2 uses C wrappers.
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Российское посольство заявило о спекуляции молдавских СМИ20:43