8 Nov
2007
8 Nov
'07
3:36 a.m.
Hello Levi, Thursday, November 8, 2007, 2:06:14 AM, you wrote:
Now I have to learn how to select the appropriate abstractions in Haskell. e.g., selecting between a variant type or type class is often a tricky one for me.
that's easy part. i never have need to use type classes in application code, only in libraries. type class allows extending initial behavior in other modules. when you need it - go to use typeclasses -- Best regards, Bulat mailto:Bulat.Ziganshin@gmail.com