Interesting and somewhat understandable explanation of functional parsing even for a person without much parsing or Haskell knowledge. He makes use of a Haskell

Interesting and somewhat understandable explanation of functional parsing even for a person without much parsing or Haskell knowledge. He makes use of a Haskell parsing library that he himself created, in the video. The actual Haskell code which he shows, that uses the parsing library to parse integer arithmetic expressions, is quite small, closely mirrors the grammar that he first creates for such expressions, and is fairly easy to understand, at least for people who understand the rudiments of what parsing is about.