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|BSD 3-clause "New" or "Revised" License||MIT License|
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Tracking mentions began in Dec 2020.
Software Transactional Memory (1997)
4 projects | news.ycombinator.com | 26 Jul 2022
I think you are right about STM being roughly equivalent to snapshot isolation.
What STM offers is an easy way to invent "containers for snapshotted values" aka TVars. Using them carefully may result in better scaling: https://hackage.haskell.org/package/stm-containers
What are some alternatives?
streamly - High performance, concurrent functional programming abstractions
stm-incremental - A very simple interface for incremental computation using STM in Haskell.
timeout - Generalized sleep and timeout functions
restricted-workers - Interactive-diagrams
stm-chunked-queues - Thread communication queues that group items/requests that occur close together in time
slave-thread - A principal solution to ghost threads and silent exceptions
threads-supervisor - Simple, IO-based Haskell library for Erlang-inspired thread supervisors
concurrent-machines - Concurrency features for the Haskell machines package
concurrent-supply - A fast globally unique variable supply with a pure API
theatre - Minimalistic actor library for Haskell
unagi-streams - Unagi-chan channels for io-streams.
named-lock - A named lock that is created on demand.