golfing clear solution for Sum by Type by nicolas.tscherter - javascript coding challenges

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golfing solution in Clear category for Sum by Type by nicolas.tscherter

var sumByTypes = (p, l = ["", 0]) => (p.map(x => l[+(x === +x)]+=x),l)

Dec. 6, 2020

Comments:

i773 on Oct. 9, 2021, 8:42 a.m.
<p>Brilliant. Only small comment, l looks suspiciously like 1 in this font, so it might have been better to use q or something more letter looking. But anyways +++ :)</p>

victor.shelepen on Jan. 28, 2023, 8:38 p.m.
<p>It needs explanations. It seems brilliant to use by map. Personally, I do not see an idea.</p>

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