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http://peter-simons.myopenid.com/ 2012-03-05 21:10:48 +00:00 committed by admin
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[[!comment format=mdwn
username="http://peter-simons.myopenid.com/"
ip="77.186.165.208"
subject="comment 3"
date="2012-03-05T21:10:47Z"
content="""
Unfortunately, the patch you mentioned doesn't seem to address the problem. I'm getting the following compile error:
Data/Digest/SHA2.hs:111:4:
Could not deduce (Show a) arising from a use of `showHex'
from the context (Integral a)
bound by the instance declaration at Data/Digest/SHA2.hs:109:10-39
Possible fix:
add (Show a) to the context of the instance declaration
In the first argument of `(.)', namely `(showHex a)'
In the expression:
(showHex a)
. (' ' :)
. (showHex b)
. (' ' :)
. (showHex c)
. (' ' :)
. (showHex d)
. (' ' :)
. (showHex e)
. (' ' :)
. (showHex f) . (' ' :) . (showHex g) . (' ' :) . (showHex h)
In an equation for `showsPrec':
showsPrec _ (Hash8 a b c d e f g h)
= (showHex a)
. (' ' :)
. (showHex b)
. (' ' :)
. (showHex c)
. (' ' :)
. (showHex d)
. (' ' :)
. (showHex e)
. (' ' :)
. (showHex f) . (' ' :) . (showHex g) . (' ' :) . (showHex h)
"""]]