ci: add a rustfmt and clippy job

.github/workflows/check.yml

@@ -82,3 +82,13 @@ jobs:
         run: tox run --skip-pkg-install -e ${{ matrix.env }}
         env:
           PYTEST_ADDOPTS: "-vv --durations=20"
+
+  rust-check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - name: Rustfmt Check
+        uses: actions-rust-lang/rustfmt@v1
+      - name: Lint
+        run: cargo clippy --all-targets -- -D warnings

rust/src/helpers/array.rs

@@ -37,9 +37,7 @@ where
                 .filter(|x| *x == COMMA || *x == VALUE)
                 .last()
                 == Some(COMMA);
-            let multiline = array_node
-                .children_with_tokens()
-                .any(|e| e.kind() == NEWLINE);
+            let multiline = array_node.children_with_tokens().any(|e| e.kind() == NEWLINE);
             let mut value_set = Vec::<Vec<SyntaxElement>>::new();
             let entry_set = RefCell::new(Vec::<SyntaxElement>::new());
             let mut key_to_pos = HashMap::<String, usize>::new();

rust/src/project.rs

@@ -55,7 +55,9 @@ pub fn fix(
         }
         "dependencies" | "optional-dependencies" => {
             transform(entry, &|s| format_requirement(s, keep_full_version));
-            sort(entry, |e| get_canonic_requirement_name(e).to_lowercase() + " " + &format_requirement(e, keep_full_version));
+            sort(entry, |e| {
+                get_canonic_requirement_name(e).to_lowercase() + " " + &format_requirement(e, keep_full_version)
+            });
         }
         "dynamic" | "keywords" => {
             transform(entry, &|s| String::from(s));