gha matrix example

.github/workflows/gha-matrix.yml

@@ -0,0 +1,36 @@
+name: GHA Matrix Examples
+on:
+  workflow_dispatch:
+
+jobs:
+  test_matrix_a:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        type_x: [type_x_00, type_x_01, type_x_02]
+
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+
+      -
+        name: Print type_x
+        run: |
+          echo "type_x key:${{ matrix.type_x }}"
+
+  test_matrix_b:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        type_a: [type_a_00, type_a_01, type_a_02]
+
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+
+      -
+        name: Print type_a
+        run: |
+          echo "type_a key:${{ matrix.type_a }}"