https://github.com/jwiegley/refine-freer

Experiments with an extensible refinement framework
https://github.com/jwiegley/refine-freer

coq effects freer-effects refinement

Last synced: 28 days ago
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Experiments with an extensible refinement framework

• Host: GitHub
• URL: https://github.com/jwiegley/refine-freer
• Owner: jwiegley
• Created: 2018-06-21T20:19:51.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2023-10-15T18:12:19.000Z (about 1 year ago)
• Last Synced: 2024-04-14T03:16:29.787Z (7 months ago)
• Topics: coq, effects, freer-effects, refinement
• Language: Coq
• Size: 179 KB
• Stars: 4
• Watchers: 6
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
This repo is an implementation of [Freer Monads](http://okmij.org/ftp/Haskell/extensible/more.pdf) 

# Build

1. Make sure you have the [nix package manager](https://nixos.org/nix/) installed.

2. (Optional) If your are on MacOS, you can use [cachix](https://github.com/cachix/cachix) and use our pre-built cache.

For this, all you have to do is to run

`$ nix-env -iA cachix -f https://github.com/NixOS/nixpkgs/tarball/889c72032f8595fcd7542c6032c208f6b8033db6`

`$ cachix use refine-free`

3. Build

`$ nix-build`

In order to run Proof General with the correct nix configuration we still need a couple of extra steps:

4. Install (Emacs-direnv)[https://github.com/wbolster/emacs-direnv]

`M-x package-install RET direnv RET`

5. Add the [this script](https://github.com/jwiegley/nix-config/blob/master/bin/use_nix.sh) to your path 

6. Add the following configuration to your .emacs file

```emacs

(use-package direnv

  :demand t

  :config

  (direnv-mode)

  (eval-after-load 'flycheck

    '(setq flycheck-executable-find

           (lambda (cmd)

             (direnv-update-environment default-directory)

             (executable-find cmd))))

  :hook

  (coq-mode . direnv-update-environment))

```

7. Run nix-shell

`$ nix-shell`

8. Now you can finally Proof General with the correct buffer

`$ emacs src/Refine.v`

PS.: Remember to always run `nix-shell` before emacs.