firstIndexOf | ![]() sequencedcollection | grow![]() |
Return the index of the first occurrence of anElement within this Sequenced collection between the indices fromIndex and toIndex. If anElement does not occur within this subcollection, then return zero
| anelement | GROUP |
| fromindex | PIC S9(9) COMP-5 |
| toindex | PIC 9(9) COMP-5 |
| anindex | PIC S9(9) COMP-5 |