Debugging in Haskell

Undefined parameter words_per_minute at _config.yml


Using GHCI is terrible.

Let it guide you. Compare stack based debugging versus need-based debugging. Need-based will lead you right to the problem.

Print debugging is still your friend.

Scoping is hard. Use (thing,i,care,about) \seq` $(notImplemented)`

Headings are cool

You can have many headings

Aren’t headings cool?