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Error when installing fn-extra using stack lts-14.20

Open MuratOzsoyler opened this issue 5 years ago • 0 comments

When installing I get this error: fn-extra> [2 of 2] Compiling Web.Fn.Extra.Heist fn-extra> fn-extra> src\Web\Fn\Extra\Heist.hs:47:1: error: fn-extra> Could not find module `Control.Monad.Trans.Either' fn-extra> Perhaps you meant fn-extra> Control.Monad.Trans.Iter (needs flag -package-key free-5.1.3) fn-extra> Control.Monad.Trans.Writer (needs flag -package-key transformers-0.5.6.2) fn-extra> Control.Monad.Trans.Error (needs flag -package-key transformers-0.5.6.2) fn-extra> Use -v to see a list of the files searched for. fn-extra> | fn-extra> 47 | import Control.Monad.Trans.Either

I think fn-extra can not be compiled with GHC version > 8.4.x. Is it so?

MuratOzsoyler avatar Jan 14 '20 12:01 MuratOzsoyler