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A comment on Map.merge() – One method to rule them all.

Re:Map.merge() – One method to rule them all by johnchristopher on Sunday March 31, 2019 @09:13AM (#19535400)
Nice, so basically it's `INSERT ... ON DUPLICATE KEY UPDATE` ?
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Re:Map.merge() – One method to rule them all by lmz on Sunday March 31, 2019 @09:25AM (#19535453)
It's also MERGE in the SQL standard: https://en.m.wikipedia.org/wiki/Merge_(SQL)
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