set
Replaces the element at the specified position in this list with the specified element.
Since Kotlin
1.1Return
the element previously at the specified position.
Replaces the element at the specified position in this list with the specified element.
This method is redeclared as abstract, because it's not implemented in the base class, so it must be always overridden in the concrete mutable collection implementation.
Since Kotlin
1.1Return
the element previously at the specified position.