21 Apr
2010
21 Apr
'10
2:34 a.m.
On Apr 20, 2010, at 17:45 , Evan Laforge wrote:
I haven't really been following this discussion, but I use Identity-backed monads all the time. Usually some combination of StateT, WriterT, ErrorT and ReaderT.
Are there any "base" monads other than IO and Identity?
ST and STM, as I understand it. All the others can be implemented as a transformer on top of Identity. -- 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