Function partition

partition<T>(rule: (element: T) => boolean): [T[], T[]]
Partition an original array into two children array based on a logical test Elements which test as false go into the first result while elements testing as true appear in the second
Type Parameters
- T
Parameters
- rule: (element: T) => boolean
Returns [T[], T[]]
An Array of length two whose elements are the partitioned pieces of the original