Re: strange behavior of let in ghci

On Thu, Jan 19, 2012 at 11:10:09PM -0600, Antoine Latter wrote:

On Thu, Jan 19, 2012 at 10:55 PM, Kazu Yamamoto wrote:

...

Hello,

I met strange behavior of let in ghci 7.0.4. The following works well.

You're running into the monomorphism restriction: http://www.haskell.org/haskellwiki/Monomorphism_restriction

To be more precise, it's the monomorphism restriction combined with ghci's extended type-defaulting rules: http://www.haskell.org/ghc/docs/7.2.2/html/users_guide/interactive-evaluatio... -Brent