first | ![]() sequencedcollection | firstIndexOfIdentity![]() |
Return the index of the first occurrence of anElement between the index positions fromIndex and toIndex. If anElement does not occur between these indices, then return zero.
| anelement | GROUP |
| fromindex | PIC 9(9) COMP-5 |
| toindex | PIC S9(9) COMP-5 |
| anindex | PIC S9(9) COMP-5 |