Re: [Haskell-cafe] Problem on overlapping instances

Magicloud Magiclouds schrieb:

Hi, I am using Data.Binary which defined "instance Binary a => Binary [a]". Now I need to define "instance Binary [String]" to make something special for string list. How to make it work? I looked into the chapter of overlappinginstances, nothing works.

http://www.haskell.org/haskellwiki/List_instance