The transaction type of the system.
The transaction type of the system.
Reads the root object representing the stored data structure,
or provides a newly initialized one via the init
argument,
if no root has been stored yet.
Reads the root object representing the stored data structure,
or provides a newly initialized one via the init
argument,
if no root has been stored yet.
A thin in-memory (non-durable) wrapper around Scala-STM.