at

       +-,-----+
       V       |
>>-at(---index-+-)---------------------------------------------><

Returns the item associated with the specified [index] or [index] es. If the array has no item associated with the specified [index] or [index] es, this method returns the Nil object.

Note that the index argument may also be specified as an array of indexes.

Array class - at method

   a = .array~of("Mike", "Rick")
   say a~at(2)  -- says: "Rick"