Re: [Haskell-beginners] Copy record with mutations?

On Fri, Apr 22, 2011 at 2:37 AM, Andrew n marshall wrote:

Thanks for the follow-up.

You're welcome.

While I'm still getting used to reading/writing the numerous new operators/infix notations,  I've started looking into the Data.Accessor package.  Is this similar in scope to the lenses you're referring to?

Absolutely, in data-accessor description you even find :

For similar packages see lenses and fclabel.

Data.Accessor.Accessors are lenses (or functional references, whatever you want to call them...). -- Jedaï