Occam was based on Hoare's CSP rather than Lambda Calculus and the relationship between your average Common Lisp program and Lambda Calculus is pretty distant.

Occam was based on Hoare's CSP rather than Lambda Calculus and the relationship between your average Common Lisp program and Lambda Calculus is pretty distant. https://en.wikipedia.org/wiki/Occam_(programming_language) https://en.wikipedia.org/wiki/Occam_(programming_language) https://en.wikipedia.org/wiki/Communicating_sequential_processes https://en.wikipedia.org/wiki/Communicating_sequential_proce... Edit: Occam is probably closer to Go than Lisp.