Add Rust CI workflow, run C++ workflow on macOS

.github/workflows/build-test-cplusplus.yml

@@ -62,6 +62,21 @@ jobs:
 #          cmake --build . -- -j 6
 #          TSAN_OPTIONS="memory_limit_mb=6000" ./RunTests
 
+  macos:
+    name: macOS Latest
+    runs-on: macos-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+
+    - name: cmake, RunTests with macOS
+      run: |
+        mkdir build-macos
+        cd build-macos
+        cmake ..
+        cmake --build . --config Release -j 6
+        ctest -C Release -j 6
+
   windows:
     name: Windows Latest
     runs-on: windows-latest

.github/workflows/rust.yml

@@ -0,0 +1,74 @@
+name: Rust
+
+on: ["push", "pull_request"]
+
+concurrency:
+  group: rust-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+env:
+  # Not needed in CI, should make things a bit faster
+  CARGO_INCREMENTAL: 0
+  CARGO_TERM_COLOR: always
+
+jobs:
+  cargo-fmt:
+    runs-on: ubuntu-22.04
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # @v3.1.0
+
+      - name: cargo fmt
+        uses: actions-rs/cargo@ae10961054e4aa8b4aa7dffede299aaf087aa33b # @v1.0.1
+        with:
+          command: fmt
+          args: --all -- --check
+
+  cargo-clippy:
+    strategy:
+      matrix:
+        os:
+          - ubuntu-22.04
+          - macos-12
+          - windows-2022
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # @v3.1.0
+
+      - name: cargo clippy
+        uses: actions-rs/clippy-check@b5b5f21f4797c02da247df37026fcd0a5024aa4d # @v1.0.7
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          args: --locked --all-targets -- -D warnings
+
+  cargo-docs:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # @v3.1.0
+
+      - name: Check Documentation
+        run: cargo doc --locked --all --no-deps --lib
+
+  cargo-test:
+    strategy:
+      matrix:
+        os:
+          - ubuntu-22.04
+          - macos-12
+          - windows-2022
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # @v3.1.0
+
+      - name: cargo test --locked
+        uses: actions-rs/cargo@ae10961054e4aa8b4aa7dffede299aaf087aa33b # @v1.0.1
+        with:
+          command: test