[Haskell-cafe] Designing an object model in Haskell

[Robin Bate Boerop]

John,

For the particular object model that you are interested in (an HTML- 
ish object model), you should check out the paper by Peter Thiemann  
entitled "A Typed Representation for HTML and XML Documents in Haskell".

-- 
Robin Bate Boerop
http://robin.bateboerop.name


On 7-Dec-06, at 8:07 AM, John Ky wrote:

> Hi,
>
> I've got an object model that I have a difficult time  
> conceptualising how it might look like in Haskell:
>
> class Element { }
>
> class Inline : Element { }
>
> class ParentInline : Inline {
>    List<Inline> children;
> }
>
> class Bold : ParentInline { }
> class Underline : ParentInline { }
>
> class Link : ParentInline {
>    String link;
> }
>
> class Text : Inline {
>    String text;
> }
>
> class Block : Element { }
>
> class Paragraph : Block {
>    List<Inline> paragraph;
> }
>
> class Heading : Block {
>    List<Inline> heading;
> }
>
> class Document : Element {
>    List<Block> blocks;
> }
>
> How best to represent this OO data model in Haskell?
>
> Thanks
>
> -John