Merge 0b16518fff into 8469c94c6a

* Add Bun example

* Fix Bun Windows example

README.md

@@ -157,6 +157,7 @@ Every programming language and framework has its own way of caching.
 
 See [Examples](examples.md) for a list of `actions/cache` implementations for use with:
 
+* [Bun](./examples.md#bun)
 * [C# - NuGet](./examples.md#c---nuget)
 * [Clojure - Lein Deps](./examples.md#clojure---lein-deps)
 * [D - DUB](./examples.md#d---dub)

examples.md

@@ -1,5 +1,6 @@
 # Examples
 
+- [Bun](#bun)
 - [C# - NuGet](#c---nuget)
 - [Clojure - Lein Deps](#clojure---lein-deps)
 - [D - DUB](#d---dub)
@@ -24,6 +25,7 @@
 - [Node - Yarn](#node---yarn)
 - [Node - Yarn 2](#node---yarn-2)
 - [OCaml/Reason - esy](#ocamlreason---esy)
+- [OCaml/Reason - opam](#ocamlreason---opam)
 - [PHP - Composer](#php---composer)
 - [Python - pip](#python---pip)
   - [Simple example](#simple-example)
@@ -41,6 +43,26 @@
 - [Swift - Mint](#swift---mint)
 - [* - Bazel](#---bazel)
 
+## Bun
+
+```yaml
+- uses: actions/cache@v4
+  with:
+    path: |
+      ~/.bun/install/cache
+    key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lockb') }}
+```
+
+### Windows
+
+```yaml
+- uses: actions/cache@v4
+  with:
+    path: |
+      ~\.bun
+    key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lockb') }}
+```
+
 ## C# - NuGet
 
 Using [NuGet lock files](https://docs.microsoft.com/nuget/consume-packages/package-references-in-project-files#locking-dependencies):
@@ -416,6 +438,30 @@ Esy allows you to export built dependencies and import pre-built dependencies.
       if: steps.restore-cache.outputs.cache-hit != 'true'
 ```
 
+## OCaml/Reason - opam
+
+This example requires you to have `opam.locked` file which you can generate with `opam lock .`.
+
+It's worth noting that even if lock file was change, it might be optimal to restore previous cache, so `hashFiles` in the key and if statement in "Save opam cache" step are optional.
+```yaml
+    - name: Restore opam cache
+      id: restore-cache
+      uses: actions/cache/restore@v4
+      with:
+        path: _opam
+        key: ${{ runner.os }}-opam-${{ hashFiles('opam.locked') }}
+
+    - name: Install dependencies
+      run: opam install . --locked --deps-only -y
+
+    - name: Save opam cache
+      if: steps.restore-cache.outputs.cache-hit != 'true'
+      uses: actions/cache/save@v4
+      with:
+        path: _opam
+        key: ${{ steps.restore-cache.outputs.cache-primary-key }}
+```
+
 ## PHP - Composer
 
 ```yaml