[Haskell-cafe] Data.Time.Calendar.Day does not seem to have an instance for Read
C K Kashyap
ckkashyap at gmail.com
Thu Mar 17 06:30:53 CET 2011
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>
The documentation says that Day has an instance for Read.
Regards,
Kashyap
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