Add test for building example codes

Signed-off-by: Gris Ge <[email protected]>

Author: cathay4t

.github/workflows/main.yml

@@ -24,8 +24,12 @@ jobs:
       - name: Install cargo-llvm-cov
         uses: taiki-e/install-action@cargo-llvm-cov
 
+      - name: Build examples
+        run: cargo build --examples
+
       - name: Test and Generate code coverage
         run: cargo llvm-cov --all-features --workspace --lcov --output-path lcov.info
+
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v3
         with: