ci: strengthen Rust quality gates (#19)

Author: kholdrex

.github/workflows/rust.yml

@@ -2,30 +2,34 @@ name: Rust
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
   pull_request:
-    branches: [ main ]
+    branches: [main]
 
 jobs:
-  build-and-test:
+  ci:
     runs-on: ubuntu-latest
-    
+
     steps:
-    - name: Checkout code
-      uses: actions/checkout@v2
-      
-    - name: Install dependencies
-      run: sudo apt-get update && sudo apt-get install -y curl
-      
-    - name: Install Rust
-      run: curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
-      shell: bash
-      
-    - name: Add Rust to PATH
-      run: echo "$HOME/.cargo/bin" >> $GITHUB_PATH
-      
-    - name: Build project
-      run: cargo build --verbose
-      
-    - name: Run tests
-      run: cargo test --verbose
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt, clippy
+
+      - name: Cache Rust dependencies
+        uses: Swatinem/rust-cache@v2
+
+      - name: Check formatting
+        run: cargo fmt --all -- --check
+
+      - name: Run clippy
+        run: cargo clippy --all-targets --all-features -- -D warnings
+
+      - name: Run tests
+        run: cargo test --all-features
+
+      - name: Check examples
+        run: cargo check --examples --all-features