Inherited from Serializable
Inherited by implicit conversion any2stringadd from
Index[R] to any2stringadd[Index[R]]
Inherited by implicit conversion StringFormat from
Index[R] to StringFormat[Index[R]]
Inherited by implicit conversion Ensuring from
Index[R] to Ensuring[Index[R]]
Inherited by implicit conversion ArrowAssoc from
Index[R] to ArrowAssoc[Index[R]]
an index for this root type