> Edit 2: I have been cursing the lack of multiple returns this week. It is a pain returning a hash/object or an array. Why is that? let rational = (a, b) =

> Edit 2: I have been cursing the lack of multiple returns this week. It is a pain returning a hash/object or an array. Why is that? let rational = (a, b) => [a, b]; let [numerator, denominator] = rational(38, 4); let reduced = rational(numerator/2, denominator/2); PS. The above code works in stable Firefox.