Re: [Haskell-cafe] GHCi infers a type but refuses it as type signature

On Jun 24, 2009, at 07:43 , papa.eric@free.fr wrote:

I had read many tutorials and wiki articles, and saw nowhere that there were different implementations of what seemed to be standard libraries.

Alternative monad libraries are still fairly new, and there's a lot of discussion still about whether to bless one as the official (instead of de-facto) standard and how, if it all, to implement a common interface/API. -- 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