OCLOperators indexOf0
This page was created by Alexandra on 2017-08-13. Last edited by 62.169.16.147 on 2026-09-12.
indexOf0 ( object : T ) : Integer[edit | edit source][edit source]
Returns the position of object in sequence self - 0 based.
| Expression | Result |
|---|---|
| Sequence{'a', 'b'}->indexOf0('a') | 0 |
The zero-based index of an object in the collection is possibly -1 if nonexistent.
See discussion and reason for introduction of IndexOf0 operator at page of IndexOf operator
See also at0
Example[edit source]
Given a Class Car
Car.allInstances->asSequence().Name->indexOf0('Toyota')
This will return the position of 'Toyota' in the collection.