anchor.diff:      directory
       extra
       filepath
  -    generic-optics
       hermes-json
       HUnit
       lock-file
  
positive.code:     directory
      extra
      filepath
      generic-optics
      hermes-json
      lock-file
      MemoTrie
  
negative.code:     directory
      extra
      filepath
      hermes-json
      lock-file
      MemoTrie
  