ss := #('1' '2' '3' '4' '5' '6' '7' '8' '9' ). (ss pairsCollect: [:each | each]) displayNl
1 2 3 4 5 6 7 8 9
Object: Array new: 9 "<0x7ff3c33e8f70>" error: did not understand #pairsCollect: MessageNotUnderstood(Exception)>>signal (ExcHandling.st:254) Array(Object)>>doesNotUnderstand: #pairsCollect: (SysExcept.st:1448) UndefinedObject>>executeStatements (prog:2)