ListIndexOf Function

Action

Returns the index of the first occurrence of an element.

Include file

List.bdh

Syntax

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.

Return value

the index of the first occurrence of element

Example

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;

Output

index of 111: 1
index of 111: 3