Re: [Haskell-cafe] what exactly does "deriving (Functor, Monad, MonadIO)" do?

On May 1, 2007, at 6:05 , Thomas Hartman wrote:

Are there are any good examples of code written without this extension, alongside code condensed by using this extension. That would be helpful for understanding what's going on.

I think all this does is save you from having to write a bunch of wrappers that unwrap the contained value, do something to it, and rewrap the result. -- brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery@kf8nh.com system administrator [openafs,heimdal,too many hats] allbery@ece.cmu.edu electrical and computer engineering, carnegie mellon university KF8NH