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

Re:Map.merge() – One method to rule them all by jnordwick on Sunday March 31, 2019 @11:45AM (#19536149)
> modern functional methods like map/reduce/filter/group

"Modern". Lol.

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Re:Map.merge() – One method to rule them all by vbsteven on Sunday March 31, 2019 @12:03PM (#19536282)
I know these functional concepts are far from new.

I use "modern" in this context because other contemporary languages like Python/Ruby/Scala/Rust etc all have versions of those and FP-style collection usage using these names has become popular in the last 10 years.

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