Ghc could not find module

Author: gkep

August undefined, 2024

WebTo do this, wipe (or rename/move) ghc's package database, which is under ~/.ghc/$arch-$os-$ghcver (such as ~/.ghc/i386-linux-7.6.3 ). Or just remove ~/.ghc altogether. Share Improve this answer Follow answered Mar 14, 2014 at 22:09 Roman Cheplyaka 37.4k 7 71 121 Add a comment Your Answer Post Your Answer WebJun 17, 2012 · Could not find module `System.Random' Use -v to see a list of the files searched for. I remember it worked yesterday and all of a sudden today it does not work. This problem only occurs on Ubuntu 12.04 LTS, GHCi 7.4.1 , when i tried this on windows haskell platform and other linux machines i worked. I tried to use

stability/2024-03-20.md at main · haskellfoundation/stability

WebApr 14, 2024 · 1 I have previously installed the tidal package with cabl install tidal When running ghc Tidal.hs: Tidal.hs:4:1: error: Could not find module ‘Sound.Tidal.Context’ There are files missing in the ‘tidal-0.9.6’ package, try running 'ghc-pkg check'. WebDec 15, 2010 · GHC 7 uses the brand-new Haskell 2010 standard. Thus, it doesn't includes the legacy modules anymore. The recomment way is to use the new modules (like System.IO) instead or use the -package haskell98 switch to enable the support again. For sure there is also a LANGUAGE pragma to do this. Share Improve this answer Follow buckeye preschool buckeye az

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WebMar 20, 2024 · Issues and proposals related to the HF Stability Working Group - stability/2024-03-20.md at main · haskellfoundation/stability WebAug 15, 2024 · This likely means that you did not list it in the build-depends, and thus it is not exposed to your modules. You can alter the .cabal file, and add it, for example: -- project.cabal file -- … One thing that could cause GHC to look in the wrong place is if there are multiple GHCs on the machine: for example if which ghc reveals /usr/local/bin/ghc then you probably compiled GHC from source at some point and its packages are occupying some /usr/local/lib/ghc-7.6.3/package.conf.d/ folder, while your repository has installed /usr/bin/ghc ... creche reports

Could not find module Prelude... dyn libraries for package base?

Could not find module ‘Test.Hspec.Discover’ - Stack Overflow

WebWhen attempting to import a module in the .ghci file, GHCi does not seem to use the search path. Define a module names "Macros.hs": module Macros where hello :: String … WebFeb 16, 2024 · Hi, I've never had this before but I just tried to use ghc and now get: Could not find module 'Prelude' There are files missing in the ‘base-4.10.0.0’ package creche report cardWebJan 22, 2014 · ghc-pkg list lists your package as installed, and no packages are broken (use ghc-pkg check to check) I solved my problem by renaming ~/.cabal and ~/.ghc. Note that I did this lacking a proper solution, I think you should only do this as a last resort. Share Improve this answer Follow answered Jan 23, 2014 at 1:46 Uli Köhler 12.9k 15 69 118 buckeye preschool mobile pantry

"WebDec 21, 2024 · XMonad will use ghc to recompile, because "/home/trey/.xmonad/build" does not exist. Error detected while loading xmonad configuration file: /home/trey/.xmonad/xmonad.hs xmonad.hs:7:1: error: Could not find module `XMonad' There are files missing in the `xmonad-0.15' package, try running 'ghc-pkg check'. " - Ghc could not find module

Ghc could not find module

Haskell - could not find modules, There are files missing …

WebApr 10, 2024 · If the interface file is not found, GHC will raise an error. So in your case, you need to compile both MyModule.hs and OtherModule.hs together so that GHC can … WebIf the package.cache file does not exist then you've got a bigger problem, and probably the easiest way to move forward is to look for a directory under /home which appears on ghc-pkg list. Install the required package to that directory and GHC should pick up on it even though it doesn't understand these bigger contexts.

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WebRe: ANNOUNCE: GHC 7.10.1 Release Candidate 1 - feedback on Mac OS. George Colpitts Thu, 01 Jan 2015 05:59:42 -0800. I built from source on Mac OS and found the following issues: WebApr 15, 2024 · danidiaz April 19, 2024, 12:50pm #11. This is nowadays somewhat discouraged but, if you go to your local project folder, and invoke. cabal install --lib --package-env . nameofthelibraryyouwanttotry. subsequent ghci invocations in that same folder should find the module ( explanation here, another explanation ).

WebJan 6, 2024 · brought in ghci the error message Could not find module ‘System.Random’. By searching for a solution, I came accross this discussion on Stackoverflow, and I followed the suggestion posted there by Michael Snoyman to try the command stack install random before entering ghci again. WebThe System.Random module belongs to the random package, which is no longer included with GHC as of version 7.2.1.. I'm not sure what to do about your Cabal problem, as I'm not familiar with Mac OS X, but I'd recommend getting that to work first. Installing random should then be trivial using Cabal.. As a possible workaround, you might want to consider using …

WebFeb 16, 2024 · Could not find module 'Prelude' There are files missing in the ‘base-4.10.0.0’ package Try running 'ghc-pkg check' ghc-pkg check returns: …

WebSep 2, 2024 · ghc-ghc-8.2.2-66 ghc-containers-0.5.10.2-66 According to hackage the set module should be included in the given RPMs. However trying to import Data.Set results in : error: Could not find module ‘Data.Set’ Perhaps you meant Data.Int (from base-4.10.1.0) Did I miss something to install? How can I check which modules are …

WebOct 23, 2015 · ghc-mod with stack: Could not find module ‘.... · Issue #668 · DanielG/ghc-mod · GitHub This repository has been archived by the owner on Apr 25, 2024. It is now … creche resteloWebJul 29, 2012 · Debian (and hence Ubuntu) currently only provides dynamic versions of the libraries that come with ghc, including base, install ghc-dynamic for that. All other libraries do not have dynamic versions yet. We decided against it, due to the high risk of ABI breakagae after an upgrade. – creche rethelWebDec 9, 2015 · As to my knowledge, the easiest way to do this is with splitOn, but this function requires Data.List.Split, so I tried to run import Data.List.Split in Prelude. However, I got the following error: Could not find module Data.List.Split. Simply importing Data.List does work, however. crèche revelWebJan 31, 2015 · Could not find module ‘Data.Vector.Storable’ There are files missing in the ‘vector-0.10.12.2’ package, try running 'ghc-pkg check'. Use -v to see a list of the files searched for. System/USB/Base.hs:128:18: Could not find module ‘Data.Vector.Generic’ There are files missing in the ‘vector-0.10.12.2’ package, try running 'ghc ... buckeye pressure washWebAug 25, 2015 · I know this seems a duplicate to Could not find module `Yesod', but unlike that user, ghc-pkg list does not show Yesod in its output on my computer, they didn't seem to be using stack (I am, and I'm not sure if that means I don't need to worry about ghc-pkg list), and additionally, the answer (code) to that question did not help my situation.. The … buckeye primary medina ohioWebOct 29, 2024 · but the compiler can't find it: $ ghc prob214ff.hs [1 of 1] Compiling Main ( prob214ff.hs, prob214ff.o ) prob214ff.hs:14:1: error: Could not find module ‘Data.Vector’ Perhaps you meant Data.Functor (from base-4.16.0.0) Use -v (or `:set -v` in ghci) to see a list of the files searched for. 14 import Data.Vector buckeye pressure washingWebJan 7, 2016 · Could not find module ‘Control.Monad.State’ Perhaps you meant Control.Monad.ST (from base-4.8.2.0) Control.Monad.ST.Safe (from base-4.8.2.0) Control.Monad.Fix (from base-4.8.2.0) Use -v to see a list of the files searched for. Failed, modules loaded: none. I installed the Haskell Platform, which has cabal and mtl installed. creche rhymes