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[JS][7kyu] Quadratic Enumerator #5189

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[JS][7kyu] Quadratic Enumerator #5189

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26 changes: 26 additions & 0 deletions codewars/7kyu/quadratic-enumerator/koronya.js
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// [JS][7kyu] Quadratic Enumerator
// quadratic-enumerator
// https://www.codewars.com/kata/5aee96e22c5061ee90000024/train/javascript

function* quadraticGen(a, b, c, start = 0, step = 1) {
let n = start
while (true) {
yield [n, a * n * n + b * n + c]
n += step
}
}

// let a1 = quadraticGen(1, 0, 0)
// let a2 = Array.from({ length: 7 }, (_) => a1.next().value)

// let b1 = quadraticGen(1, 0, 0, 2)
// let b2 = Array.from({ length: 7 }, (_) => b1.next().value)

// let c1 = quadraticGen(1, 0, 0, 0, 2)
// let c2 = Array.from({ length: 5 }, (_) => c1.next().value)

// let d1 = quadraticGen(1, 0, 0, 0, -1)
// let d2 = Array.from({ length: 7 }, (_) => d1.next().value)

// let e1 = quadraticGen(1, 0, 0, 0, 0.5)
// let e2 = Array.from({ length: 5 }, (_) => e1.next().value)