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Array flatten function written in ES6 syntax
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const flattenTco = ([first, ...rest], accumulator) => | |
(first === undefined) | |
? accumulator | |
: (Array.isArray(first)) | |
? flattenTco([...first, ...rest]) | |
: flattenTco(rest, accumulator.concat(first)) | |
const flatten = (n) => flattenTco(n, []); | |
console.log(flatten([[1,[2,[[3]]]],4,[5,[[[6]]]]])) |
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