Initial commit

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Cache apt packages for setup-ocaml
+        uses: awalsh128/[email protected]
+        with:
+          packages: bubblewrap darcs g++-multilib gcc-multilib mercurial musl-tools rsync
+          version: v2
+
+      - name: Setup OCaml
+        uses: ocaml/[email protected]
+        with:
+          # ocaml-compiler: ocaml.5.2.0,ocaml-option-static
+          ocaml-compiler: 5.2.0
+          allow-prerelease-opam: true
+          opam-pin: false
+
+      - name: Test compile
+        run: opam exec -- ocamlopt -ccopt -static a.ml
+
+      - name: Check output
+        run: file a.out
+
+      - name: Run output
+        run: ./a.out

a.ml

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+let () = print_endline "hello world"