Re: [Haskell-beginners] about parser question < Programming in haskell _ chapter 8 >

Note that the presentation of functional parsers in the book simplifies things a little, particularly the book avoids mentioning newtypes explicitly though they are implicit in the section 8.9 Chapter Remarks. The code on Graham Hutton's website uses newtypes and is is directly runnable: http://www.cs.nott.ac.uk/~gmh/book.html#code On 18 July 2011 12:17, Haisheng Wu wrote:

I think you can check full source code at its web site to see what you missed. My thought: did you make Parser as a instance of Monad? -Haisheng