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daniellizik/palindrome.js

Created June 29, 2017 13:38
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js functional palindrome
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palindrome.js
const pal = (s) => s
.split('')
.reduce((acc, c, head, arr) => Object.assign({}, acc, {
tail: acc.tail - 1,
result: (acc.result === false || arr[head] !== arr[acc.tail]) ? false : true
}), {result: null, tail: s.length - 1})
.result
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