Automate test with GitHub Actions.

.github/workflows/clang.yml

@@ -0,0 +1,34 @@
+name: Test with Clang 17
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install LLVM and Clang
+        uses: KyleMayes/install-llvm-action@v1
+        with:
+          version: 17
+
+      - name: Install CMake and Ninja
+        uses: lukka/get-cmake@latest
+
+      - name: Build project
+        run: |
+          mkdir build
+          cmake -S . -B build -G Ninja \
+          -DCMAKE_CXX_COMPILER=${{ env.LLVM_PATH }}/bin/clang++ \
+          -DCMAKE_BUILD_TYPE=Release
+          ninja -C build
+
+      - name: Run tests
+        run: |
+          cd build
+          ./mdspan_formatter_test

README.md

@@ -1,4 +1,7 @@
 # mdspan_formatter
+
+![Build with Clang](https://github.com/stripe2933/mdspan_formatter/actions/workflows/clang.yml/badge.svg)
+
 Make `std::mdspan` (multi-dimensional span; currently [`Kokkos::mdspan`](https://github.com/kokkos/mdspan)) formattable using `std::format` or [`fmt::format`](https://github.com/fmtlib/fmt).
 
 ## Usage
@@ -86,9 +89,9 @@ Note that it only supports `mdspan` with `default_accessor` accessor.
 ```cmake
 include(FetchContent)
 FetchContent_Declare(
-        mdspan_formatter
-        GIT_REPOSITORY https://github.com/stripe2933/mdspan_formatter.git
-        GIT_TAG main
+    mdspan_formatter
+    GIT_REPOSITORY https://github.com/stripe2933/mdspan_formatter.git
+    GIT_TAG main
 )
 FetchContent_MakeAvailable(mdspan_formatter)
 
@@ -102,9 +105,8 @@ GCC and MSVC are not tested yet.
 
 For use library with fmt, Clang ≥ 11.0.0 and GCC ≥ 10.2 with std ≥ c++20 condition are tested. MSVC is not tested yet.
  [Try on Compiler Explorer](https://godbolt.org/z/1sTd18Gxs).
-
+****
 First, you need [Kokkos's mdspan](https://github.com/kokkos/mdspan), which is reference implementation of `std::mdspan` because none of compiler
-implemented mdspan at now.
+implemented submdspan at now.
 
-If you want to build the test, download the repository and build CMake project. Note that μt, fmt and Kokkos mdspan library should be found using
-`find_package` command.
+If you want to build the test, download the repository and build CMake project.