upgrade to ocaml 5.4

Author: Khady

.github/workflows/build-test.yml

@@ -15,7 +15,7 @@ jobs:
           # - windows-latest
         ocaml-version:
           - 4.14
-          - 5.3
+          - 5.4
 
     runs-on: ${{ matrix.os }}
 

.github/workflows/deploy-doc.yml

@@ -33,7 +33,7 @@ jobs:
       - name: Set-up OCaml
         uses: ocaml/setup-ocaml@v3
         with:
-          ocaml-compiler: "5.3"
+          ocaml-compiler: "5.4"
           dune-cache: true
           allow-prerelease-opam: true
 

.github/workflows/lint.yml

@@ -12,10 +12,10 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v5
 
-      - name: Use OCaml 5.3
+      - name: Use OCaml 5.4
         uses: ocaml/setup-ocaml@v3
         with:
-          ocaml-compiler: 5.3
+          ocaml-compiler: 5.4
           dune-cache: true
           allow-prerelease-opam: true
 
@@ -30,10 +30,10 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v5
 
-      - name: Use OCaml 5.3
+      - name: Use OCaml 5.4
         uses: ocaml/setup-ocaml@v3
         with:
-          ocaml-compiler: 5.3
+          ocaml-compiler: 5.4
           dune-cache: true
           allow-prerelease-opam: true
 
@@ -63,10 +63,10 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v5
 
-      - name: Use OCaml 5.3
+      - name: Use OCaml 5.4
         uses: ocaml/setup-ocaml@v3
         with:
-          ocaml-compiler: 5.3
+          ocaml-compiler: 5.4
           dune-cache: true
           allow-prerelease-opam: true
 
@@ -79,10 +79,10 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v5
 
-      - name: Use OCaml 5.3
+      - name: Use OCaml 5.4
         uses: ocaml/setup-ocaml@v3
         with:
-          ocaml-compiler: 5.3
+          ocaml-compiler: 5.4
           dune-cache: true
           allow-prerelease-opam: true
 

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

@@ -11,10 +11,10 @@ jobs:
       - name: Checkout tree
         uses: actions/checkout@v5
 
-      - name: Set-up OCaml 5.3
+      - name: Set-up OCaml 5.4
         uses: ocaml/setup-ocaml@v3
         with:
-          ocaml-compiler: 5.3
+          ocaml-compiler: 5.4
           dune-cache: true
           allow-prerelease-opam: true
 

.ocamlformat

@@ -1,2 +1,2 @@
 profile=default
-version=0.27.0
+version=0.28.1

README.md

@@ -7,13 +7,13 @@ The setup should be installable as easily as possible.
 ## Getting started
 
 ```sh
-opam switch create . 5.3.0 --no-install
+opam switch create . 5.4.0 --no-install
 opam install . --deps-only --with-dev-setup
 ```
 
 ## Build system
 
-The current goto build system in ocaml is dune. Version 3 or superior of the
+The current goto build system in ocaml is dune. Version 3.20 or superior of the
 dune lang should be used if possible. Unless the goal is to write a library
 that must be compatible with legacy environements. The base of the project has
 been generated with `dune init project modern_ocaml`.

dune-project

@@ -1,3 +1,3 @@
-(lang dune 3.17)
+(lang dune 3.20)
 
 (name modern-ocaml)

modern-ocaml.opam

@@ -9,8 +9,8 @@ doc: "https://khady.github.io/modern-ocaml/"
 tags: ["ocaml" "is" "love"]
 depends: [
   "ocaml"
-  "dune" {>= "3.17"}
-  "ocamlformat" {= "0.27.0" & with-dev-setup}
+  "dune" {>= "3.20"}
+  "ocamlformat" {= "0.28.1" & with-dev-setup}
   "ocaml-lsp-server" {with-dev-setup}
   "odoc" {with-doc}
   "dune-release" {with-dev-setup}