> > On Thu, Mar 17, 2011 at 12:30 AM, C K Kashyap <ckkash...@gmail.com> wrote: > > Hi, > > I was wondering if this is a defect - > > Prelude> import Data.Time.Calendar > > Prelude Data.Time.Calendar> read "2011-10-10" :: Day > > <interactive>:1:1: > > No instance for (Read Day) > > arising from a use of `read' > > Possible fix: add an instance declaration for (Read Day) > > In the expression: read "2011-10-10" :: Day > > In an equation for `it': it = read "2011-10-10" :: Day > > Prelude Data.Time.Calendar> > > > > I see the same problem with GHC 7.0.2, time-1.2.0.3. > > Does it work if you use it in a Haskell source file, instead of GHCi? > > Thanks, > Antoine > > Nope, even compiling with ghc causes the error. Regards, Kashyap
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