test on OS matrix

Author: arihant2math

.github/workflows/rust.yml

@@ -12,11 +12,13 @@ env:
 jobs:
   build:
 
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    matrix:
+      os: [ ubuntu-latest, macos-latest, windows-latest ]
 
     steps:
-    - uses: actions/checkout@v4
-    - name: Build
-      run: cargo build --verbose
-    - name: Run tests
-      run: cargo test --verbose
+      - uses: actions/checkout@v4
+      - name: Build
+        run: cargo build --verbose
+      - name: Run tests
+        run: cargo test --verbose