| 18 | || MapList || Maps a function over the input list || |
| 19 | || MapThreadList || Maps a 2-arg function over 2 lists || |
| 20 | || Outer || maps an input list into a list containing all possible combinations with one element from each of the provided lists|| |
| 21 | || AbstractPermutations || Abstract superclass of all classes that map some input list into a list of all permutations of the input list|| |
| 22 | || PermutationsOrderedWithoutReturn || Maps input list into list of all permutations of the input list, when drawing without return.|| |