added coverage badge and CI

.github/workflows/rust.yml

@@ -20,4 +20,25 @@ jobs:
         working-directory: ./mem_dbg
         run: for example in examples/*.rs ; do cargo run --example "$(basename "${example%.rs}")" ; done
       - name: Run clippy
-        run: cargo clippy #-- -Dclippy::all -Dclippy::cargo
+        run: cargo clippy #-- -Dclippy::all -Dclippy::cargo
+
+  coverage:
+    needs: build
+    name: coverage
+    runs-on: ubuntu-latest
+    container:
+      image: xd009642/tarpaulin:develop-nightly
+      options: --security-opt seccomp=unconfined
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Generate code coverage
+        run: |
+          cargo +nightly tarpaulin --verbose --engine llvm --all-features --workspace --out Lcov
+
+      - name: Coveralls
+        uses: coverallsapp/github-action@v2
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          path-to-lcov: "lcov.info"

README.md

@@ -7,6 +7,7 @@
 [![](https://tokei.rs/b1/github/zommiommy/mem_dbg-rs?type=Rust,Python)](https://github.com/zommiommy/mem_dbg-rs)
 [![Latest version](https://img.shields.io/crates/v/mem_dbg.svg)](https://crates.io/crates/mem_dbg)
 [![Documentation](https://docs.rs/mem_dbg/badge.svg)](https://docs.rs/mem_dbg)
+[![Coverage Status](https://coveralls.io/repos/github/zommiommy/mem_dbg-rs/badge.svg?branch=main)](https://coveralls.io/github/zommiommy/mem_dbg-rs?branch=main)
 
 Traits and associated procedural macros to display recursively the layout and
 memory usage of a value.