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mLuby/dedup-unique.js

Created February 9, 2017 00:34
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one-liner to remove duplicate values from a list in JS. (immutable)
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dedup-unique.js
const dedup = list => list.reduce((uniques, item) => uniques.concat(uniques.includes(item) ? [] : [item]), [])
dedup(["a",2,"a",3,"b",2]) // ["a", 2, 3, "b"]
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