Returns the index of the first occurrence of an element.
List.bdh
ListIndexOf( in theList: list, in element: union): number;
| Parameter | Description | 
|---|---|
| theList | List of number, boolean, float or string. | 
| element | Number, boolean, float or string. Has to conform with the type of theList. | 
transaction TAListIndexOf
var
  lstNumber: list of number init 111, 2, 3, 111, 2, 3;
  retVal: number;
begin
  retVal := ListIndexOf(lstNumber, 111);
  writeLn("index of 111: " + string(retVal));
  
  ListRemoveAt(lstNumber, 1);
  retVal := ListIndexOf(lstNumber, 111);
  writeLn("index of 111: " + string(retVal));
end TAListIndexOf;
               index of 111: 1 index of 111: 3