Add CI

.github/workflows/rust.yml

@@ -0,0 +1,90 @@
+name: Rust
+
+on:
+  push:
+    branches: [ '**' ]
+  pull_request:
+    branches: [ '**' ]
+
+env:
+  CARGO_TERM_COLOR: always
+  RUSTFLAGS: '-D warnings'
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@stable
+      - run: cargo test --lib --no-default-features
+      - run: cargo test --all-features
+
+# TODO: no_std
+#  build-nostd:
+#    name: Build on no_std target (thumbv7em-none-eabi)
+#    runs-on: ubuntu-latest
+#    steps:
+#      - uses: actions/checkout@v3
+#      - uses: dtolnay/rust-toolchain@master
+#        with:
+#          toolchain: stable
+#          targets: thumbv7em-none-eabi
+#      - run: cargo build --target thumbv7em-none-eabi --lib --release --no-default-features
+
+  nightly:
+    name: Test nightly compiler
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: dtolnay/rust-toolchain@nightly
+    - run: cargo test --all-features
+
+# TODO: clippy isn't happy
+#  clippy:
+#    name: Check that clippy is happy
+#    runs-on: ubuntu-latest
+#    steps:
+#    - uses: actions/checkout@v3
+#    - uses: dtolnay/rust-toolchain@nightly
+#      with:
+#        components: clippy
+#    - run: cargo clippy --all-features
+
+# TODO: rustfmt
+#  rustfmt:
+#    name: Check formatting
+#    runs-on: ubuntu-latest
+#    steps:
+#    - uses: actions/checkout@v3
+#    - uses: dtolnay/rust-toolchain@stable
+#      with:
+#        components: rustfmt
+#    - run: cargo fmt --all -- --check
+
+  msrv:
+    name: Current MSRV is 1.60.0
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    # First run `cargo +nightly -Z minimal-verisons check` in order to get a
+    # Cargo.lock with the oldest possible deps
+    - uses: dtolnay/rust-toolchain@nightly
+    - run: cargo -Z minimal-versions check --all-features --lib
+    # Now check that `cargo build` works with respect to the oldest possible
+    # deps and the stated MSRV
+    - uses: dtolnay/[email protected]
+    - run: cargo build --all-features --lib
+
+#  TODO: broken - migrate to criterion
+#  bench:
+#    name: Check that benchmarks compile
+#    runs-on: ubuntu-latest
+#    steps:
+#    - uses: actions/checkout@v3
+#    - uses: dtolnay/rust-toolchain@nightly
+#    - name: Build default (host native) bench
+#      run: cargo build --benches
+