Algebraic types and `objects' - Haskell-Cafe - Haskell.org

Algebraic types and `objects'

older
algebric types and db integration

S.J.Thompson

6 Sep 2001 6 Sep '01

8:18 a.m.

To follow up Cagdas Ozgenc's message of Wednesday, I have attached a series of files which show a gradual transformation (or refactoring) of an algebraic type of shapes into a Shape type, built using type classes and existential types, which more corresponds to an OO approach. Hope this is useful. Simon

Attachments:

Shape1.hs (text/plain — 902 bytes)
Shape2.hs (text/plain — 1.1 KB)
Shape3.hs (text/plain — 1.5 KB)
Shape4.hs (text/plain — 2.3 KB)

Reply

Sign in to reply online Use email software

Show replies by date

8705

Age (days ago)

8705

Last active (days ago)

Download

0 comments

1 participants

tags

participants (1)

S.J.Thompson