Re: [Haskell-cafe] Re: could we get a Data instance for Data.Text.Text?

On Sat, 23 Jan 2010 16:57:49 -0600, Jeremy Shaw wrote:

On Sat, Jan 23, 2010 at 7:57 AM, Neil Mitchell wrote:

...

No, that's definitely not correct, or even remotely scalable as we increase the number of abstract types in disparate packages.

Yes.. happstack is facing another aspect of this scalability issue as well. We have a class, Serialize, which is used to serialize and deserialize data. It builds on the binary library, but adds the ability to version your data types and migrate data from older versions to newer versions.

This has a serious scalability issue though, because it requires that each type a user might want to serialize has a Serialize instance.

So do we:

[..]

Any other suggestions?

4. Write a new package: * serialize-text * text-instances (which would be a place holder for more instances) I would go for trying solution 2. and otherwise solution 4. -- Nicolas Pouillard http://nicolaspouillard.fr