Ask HN: What's the difference between a specification and an implementation?

This page summarizes the projects mentioned and recommended in the original post on news.ycombinator.com

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  • seL4

    The seL4 microkernel

  • If the specification is written in a machine-readable language and complete and executable then it would be an implementation.

    seL4[1] is a great example of how a specification, an implementation and a formal proof system inter-work to prove an OS kernel conforms to the specs. When you read through the papers, you will see times when they found bugs in the specification.

    [1]:http://sel4.systems/

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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