Copperbox revision 3039.
I've changed PhraseMonad to use Writer+State rather than State, thus it accumulates an answer rather than passes it through (as it did a couple of revisions ago). At the cost of some efficiency, it is much easier to think about concatenation in the Writer+State formulation.
Blog Archive
About Me
- Stephen Tetley
- Disambiguating biog as there are a few Stephen Tetley's in the world. I'm neither a cage fighter or yachtsman. I studied Fine Art in the nineties (foundation Bradford 1992, degree Cheltenham 1992 - 95) then Computing part-time at Leeds Met graduating in 2003. I'm the Stephen Tetley on Haskell Cafe and Stackoverflow.