[Haskell-cafe] Problems on installing sizes-types package
rodrigogribeiro at gmail.com
Fri Feb 21 18:52:35 UTC 2014
Hello to all!
I'm trying to install the sized-types package, a dependency for kansas lava:
using cabal, and the following error message is returned:
Could not deduce (Eq a) arising from a use of `prune'
from the context (Size m, Size n, Size m', Size n', n ~ m', Num a)
bound by the type signature for
mm :: (Size m, Size n, Size m', Size n', n ~ m', Num a) =>
Matrix (m, n) a -> Matrix (m', n') a -> Matrix (m,
Is it a known issue? Is there some way to solve it? I'm using GHC 7.6.3 and
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