Add simple wrapper for the threading API (#1)

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-node@v1
+        with:
+          node-version: "22"
+
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@v12
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+
+      - name: Setup PureScript dependencies
+        run: npm i --global [email protected] spago@next purescm@latest
+
+      - name: Build source
+        run: spago build
+
+      - name: Cache PureScript dependencies
+        uses: actions/cache@v2
+        with:
+          key: ${{ runner.os }}-spago-${{ hashFiles('**/spago.yaml') }}
+          path: |
+            .spago
+            output
+
+      - name: Run tests
+        run: |
+          nix-shell --run "purescm run --main Test.Chez.Main"

.gitignore

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+
+bower_components/
+node_modules/
+.pulp-cache/
+output/
+output-es/
+generated-docs/
+.psc-package/
+.psc*
+.purs*
+.psa*
+.spago
+.envrc
+.direnv

flake.nix

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+{
+  description = "PureScript core packages CI setup";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+
+    flake-compat = {
+      url = "github:edolstra/flake-compat";
+      flake = false;
+    };
+
+    purescript-overlay.url = "github:thomashoneyman/purescript-overlay";
+    purescript-overlay.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = { self, nixpkgs, ... }@inputs:
+    let
+      supportedSystems = [ "x86_64-linux" "x86_64-darwin" "aarch64-darwin" ];
+
+      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+
+      nixpkgsFor = forAllSystems (system: import nixpkgs {
+        inherit system;
+        overlays = builtins.attrValues self.overlays;
+      });
+    in
+    {
+      overlays = {
+        purescript = inputs.purescript-overlay.overlays.default;
+      };
+
+      devShells = forAllSystems (system:
+        let pkgs = nixpkgsFor.${system};
+            chez = pkgs.chez.overrideAttrs (final: prev: {
+              postFixup = if pkgs.stdenv.isDarwin then ''
+                install_name_tool -add_rpath ${pkgs.pcre2.out}/lib $out/bin/scheme
+              ''
+              else ''
+                patchelf $out/bin/scheme --add-rpath ${pkgs.pcre2.out}/lib
+              '';
+            });
+        in {
+          default = pkgs.mkShell {
+            name = "purescm";
+            packages = with pkgs; [
+              chez
+            ];
+          };
+        });
+
+      formatter = forAllSystems (system: nixpkgsFor.${system}.nixpkgs-fmt);
+    };
+}

shell.nix

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+# A compatibility file that allows non-flakes users to still get a development
+# shell with `nix-shell`.
+(import
+  (
+    let lock = builtins.fromJSON (builtins.readFile ./flake.lock);
+    in fetchTarball {
+      url =
+        "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
+      sha256 = lock.nodes.flake-compat.locked.narHash;
+    }
+  )
+  { src = ./.; }).shellNix
+