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This is the home of the TPs for the functional programming course of Telecom Nancy

To reproduce a working environment, from the repository root, do:

  • Install the Haskell installer with ghcup: curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh This will ask questions:
    • Answer P to update your PATH automatically.
    • Answer Y to install IDE tooling (haskell-language-server).
    • Answer N to install stack, since this project uses the simpler cabal build tool
  • Install the System requirements. If you are on Linux, this is something like sudo apt install build-essential curl libffi-dev etc.. (see the link for the exact list of packages to install).
  • Run ghcup install ghc 9.4.7 and then ghcup set ghc 9.4.7 to set the expected compiler version.
  • Run cabal build all. This will take a while as this repository depends on a number of fat libraries. Brew some coffee meanwhile.

At this point, everything should be set to work on the command line, for example try:

cabal run -v0 TP4.hs

You should get as output:

pyEval "1 + 3" returned: 4

Now you can continue with the IDE configuration:

  • Install vscode and the Haskell extension.
  • Launch vscode from the terminal (code . &), from this repository's root. If vscode asks you to install the Haskell Language Server, say yes.
  • Happy Haskell hacking! To experiment, hack in one of the TP*.hs files; see the first line for how to execute them.