previousIndex
Returns the index of the element that would be returned by a subsequent call to previous.
Returns -1 if the iteration is at the beginning of the collection.
Since Kotlin
1.0Returns the index of the element that would be returned by a subsequent call to previous.
Returns -1 if the iteration is at the beginning of the collection.
Since Kotlin
1.1Returns the index of the element that would be returned by a subsequent call to previous.
Returns -1 if the iteration is at the beginning of the collection.
Since Kotlin
1.3Returns the index of the element that would be returned by a subsequent call to previous.
Returns -1 if the iteration is at the beginning of the collection.
Since Kotlin
1.8Returns the index of the element that would be returned by a subsequent call to previous.
Returns -1 if the iteration is at the beginning of the collection.