array_map(fn, a1, @rest...)
Return an array with the results of applying the function fn
to the elements of the arrays
a1, ...
. The arrays must be of the same length. Fn
must accept as many arguments as there are arrays.
array_map(^(x, y) x * y, #[1, 2, 3], #[4, 5, 6])
// #[4, 10, 18]