Places value in a new array, if it's not already an array.
Optional
to place in a (new) array, if it is not already.
Array If value is not already an Array, it becomes an item of a new array.
Only exception is if value is undefined or z.NOTHING, then an empty array []is returned instead of[undefined]`(useful for safe iteration).
undefined
z.NOTHING, then an empty array
is returned instead of
Places value in a new array, if it's not already an array.