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  • theory

    Explains the core idea of the formatter that makes it so cool.

  • dataflow

    Looking at how the data is tranformed should give the reader a good idea of the high-level design, given that Brittany essentially performs a Text -> Text transformation.

  • bridoc-design

    An explanation of the BriDoc datatype focussed on (potential) contributors that wish to add support for more syntactical constructs.

  • bridoc-api

    Specifying the semantics of the different (smart) constructors of the BriDoc type.

  • exactprinting

    A closer look at how we achieve exactprinting, i.e. keeping comments and certain whitespace (empty lines) as they appear in the input source code.

  • Brittany uses the following (randomly deemed noteworthy) libraries:

    • ghc-exactprint (and ghc) for parsing of haskell source;
    • uniplate for efficient transformations on the recursive BriDoc datatype; this powers the main computational work done by Brittany;
    • monad-memo for explicit function memoization;
    • multistate as an alternative to an unwieldly transformer stack;
    • butcher for parsing commandline arguments (as an alternative to optparse-applicative)
    • yaml to handle config file;
    • safe and unsafe (heh).