Apply a callback to an array
From Fōrmulæ wiki
This page is the answer to the task Apply a callback to an array in the Rosetta Code.
Description (from Rosetta Code)
| Task
Take a combined set of elements and apply a function to each element. |
Solution
The next expression squares the elements of an array. The resulting array is a new one, the original one is not changed.
The elements do not need to be strictly numbers:
