{1. 2. 3. 4. 5} collect: [|:x| x + 1]. "--> {2. 3. 4. 5. 6}" {1. 2. 3. 4. 5} select: #isOdd `er. "--> {1. 3. 5}" ({3. 2. 7} collect: #+ `er <- 3) sort. "--> {"SortedArray traitsWindow" 5. 6. 10}" ExtensibleArray new `>> [addLast: 3. addFirst: 4. ]. "--> {"ExtensibleArray traitsWindow" 4. 3}"