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Comment Re:CSP makes parallel programming easy (Score 3, Informative) 48

Erlang is based on the ACTOR model, not CSP. The main practical differences between Erlang and CSP is that Erlang uses asynchronous dynamically-typed messages sent to a particular address (process id), whereas CSP systems usually deal with synchronous messages sent down a particular, typed channel. But they are both message-passing systems with the idea of removing shared mutable data, as you say. For an implementation of CSP in the pure functional language Haskell, see my library CHP (

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