upgrade to ocaml 5

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: monthly 

.github/workflows/build-test.yml

@@ -1,33 +1,35 @@
-name: build and test
+name: Build and Test
 
 on:
   - push
   - pull_request
 
 jobs:
-  build:
+  build-and-test:
     strategy:
       fail-fast: false
       matrix:
         os:
           - macos-latest
           - ubuntu-latest
-          - windows-latest
+          # - windows-latest
         ocaml-version:
-          - 4.14.1
+          - 4.14
+          - 5.1
 
     runs-on: ${{ matrix.os }}
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Use OCaml ${{ matrix.ocaml-version }}
         uses: ocaml/setup-ocaml@v2
         with:
           ocaml-compiler: ${{ matrix.ocaml-version }}
           dune-cache: true
           opam-depext-flags: "--with-test"
+          allow-prerelease-opam: true
 
       - run: opam install . --deps-only --with-test
 
@@ -36,65 +38,3 @@ jobs:
 
       - name: run test
         run: opam exec -- dune runtest
-
-  lint-fmt:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: Use OCaml 4.14.x
-        uses: ocaml/setup-ocaml@v2
-        with:
-          ocaml-compiler: 4.14.x
-          dune-cache: true
-
-      - name: Lint fmt
-        uses: ocaml/setup-ocaml/lint-fmt@v2
-
-  lint-opam:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: Use OCaml 4.14.x
-        uses: ocaml/setup-ocaml@v2
-        with:
-          ocaml-compiler: 4.14.x
-          dune-cache: true
-
-      - name: Lint opam
-        uses: ocaml/setup-ocaml/lint-opam@v2
-
-  deploy-doc:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: Use OCaml 4.14.x
-        uses: ocaml/setup-ocaml@v2
-        with:
-          ocaml-compiler: 4.14.x
-          dune-cache: true
-          opam-depext-flags: "--with-doc"
-
-      - name: Deploy odoc to GitHub Pages
-        uses: ocaml/setup-ocaml/deploy-doc@v2
-
-  lint-doc:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: Use OCaml 4.14.x
-        uses: ocaml/setup-ocaml@v2
-        with:
-          ocaml-compiler: 4.14.x
-          dune-cache: true
-          opam-depext-flags: "--with-doc"
-
-      - name: Lint doc
-        uses: ocaml/setup-ocaml/lint-doc@v2

.github/workflows/deploy-doc.yml

@@ -0,0 +1,57 @@
+name: Deploy odoc to GitHub Pages
+
+on:
+  push:
+    branches:
+      - main
+
+permissions: read-all
+
+concurrency:
+  group: deploy-odoc
+  cancel-in-progress: true
+
+jobs:
+  deploy-odoc:
+    name: Deploy odoc to GitHub Pages
+
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    permissions:
+      contents: read
+      id-token: write
+      pages: write
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout tree
+        uses: actions/checkout@v4
+
+      - name: Set-up OCaml
+        uses: ocaml/setup-ocaml@v2
+        with:
+          ocaml-compiler: "5.1"
+          dune-cache: true
+          opam-depext-flags: "--with-doc"
+          allow-prerelease-opam: true
+
+      - name: Install dependencies
+        run: opam install . --deps-only --with-doc
+
+      - name: Build documentation
+        run: opam exec -- dune build @doc
+
+      - name: Set-up Pages
+        uses: actions/configure-pages@v4
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v2
+        with:
+          path: _build/default/_doc/_html
+
+      - name: Deploy odoc to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v3

.github/workflows/lint.yml

@@ -0,0 +1,57 @@
+name: Lint
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  lint-fmt:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Use OCaml 5.1
+        uses: ocaml/setup-ocaml@v2
+        with:
+          ocaml-compiler: 5.1
+          dune-cache: true
+          opam-depext-flags: "--with-doc"
+          allow-prerelease-opam: true
+
+      - name: Lint fmt
+        uses: ocaml/setup-ocaml/lint-fmt@v2
+
+  lint-opam:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Use OCaml 5.1
+        uses: ocaml/setup-ocaml@v2
+        with:
+          ocaml-compiler: 5.1
+          dune-cache: true
+          opam-depext-flags: "--with-doc"
+          allow-prerelease-opam: true
+
+      - name: Lint opam
+        uses: ocaml/setup-ocaml/lint-opam@v2
+
+  lint-doc:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Use OCaml 5.1
+        uses: ocaml/setup-ocaml@v2
+        with:
+          ocaml-compiler: 5.1
+          dune-cache: true
+          opam-depext-flags: "--with-doc"
+          allow-prerelease-opam: true
+
+      - name: Lint doc
+        uses: ocaml/setup-ocaml/lint-doc@v2

.github/workflows/opam-dependency-submission.yml

@@ -0,0 +1,22 @@
+name: Opam Dependency Submission
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  opam-dependency-submission:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout tree
+        uses: actions/checkout@v4
+
+      - name: Set-up OCaml 5.1
+        uses: ocaml/setup-ocaml@v2
+        with:
+          ocaml-compiler: 5.1
+          dune-cache: true
+          allow-prerelease-opam: true
+
+      - name: Opam Dependency Submission
+        uses: ocaml/setup-ocaml/analysis@v2

.ocamlformat

@@ -1,2 +1,2 @@
 profile=default
-version=0.24.1
+version=0.26.1

README.md

@@ -7,7 +7,7 @@ The setup should be installable as easily as possible.
 ## Getting started
 
 ```sh
-opam switch create . 4.14.1 --no-install
+opam switch create . 5.1.1 --no-install
 opam install . --deps-only
 ```
 

dune-project

@@ -1,2 +1,3 @@
-(lang dune 3.6)
+(lang dune 3.12)
+
 (name modern-ocaml)

modern-ocaml.opam

@@ -9,9 +9,10 @@ doc: "https://khady.github.io/modern-ocaml/"
 tags: ["ocaml" "is" "love"]
 depends: [
   "ocaml"
-  "dune" {>= "3.0"}
-  "ocamlformat" {= "0.24.1" & with-dev-setup}
-  "ocaml-lsp-server" {= "1.15.1-4.14" & with-dev-setup}
+  "dune" {>= "3.12"}
+  "ocamlformat" {= "0.26.1" & with-dev-setup}
+  "ocaml-lsp-server" {with-dev-setup}
+  "odoc" {with-doc}
 ]
 build: [
   ["dune" "subst"] {pinned}