Re: [Haskell-cafe] Name that function =)

On Dec 12, 2006, at 12:53 PM, Louis J Scoras wrote:

On 12/12/06, Conal Elliott wrote:

...

Try foo = liftM2, and check out the recent haskell thread "Cannot understand liftM2".

That's actually what I reached for first. The problem is that the arguments aren't monads: (...) No instance for (Monad ((->) (String, String)))

Read the thread more completely; ((->) a) is indeed a monad, but you need to include an additional module to get the definition. -- brandon s. allbery [linux,solaris,freebsd,perl] allbery@kf8nh.com system administrator [openafs,heimdal,too many hats] allbery@ece.cmu.edu electrical and computer engineering, carnegie mellon university KF8NH