В
Size: a a a
НС
const includes = ([element, ...slice], value) =>
element === value
|| slice.length !== 0
&& includes(slice, value)
const isEven = x => x === 0 || (x > 0 ? x >= 2 && isEven(x - 2) : isEven(-x))
PV
const isEven = x => x === 0 || (x > 0 ? x >= 2 && isEven(x - 2) : isEven(-x))
НС