CloudChor

CloudChor is a Haskell library for lighweight and efficient choreographic programming aimed at developing cloud services. It is an extension of the HasChor library.

For more details, see the PEPM '26 paper: Towards Lightweight and Efficient Choreographic Cloud Services.

Repository structure

• src/ contains the source code of the library.
  • Choreography.Location.Multi is the module that implements multiply-located values.
• examples/ includes example programs using the library.
  • clean-room: An implementation of a data clean room protocol as a choreography.
  • unsoundness: Two counter-examples showing how unrestricted IO can lead to unsoundness.
  • HasChor: The original examples from the HasChor repository.
• benchmark/ contains the setup for running benchmarks to compare cond vs. cond_.

License

This repository is provided under the terms of the Mozilla Public License 2.0. It is based on HasChor, which is provided under the BSD-3-Clause License.