Some code cleanups to better integrate this into other packages

.github/workflows/coverage.yml

@@ -0,0 +1,44 @@
+name: coverage instrument based
+
+on: [ push, pull_request ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install latest nightly
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          override: true
+          components: rustfmt, clippy, llvm-tools-preview
+
+      - name: Install lcov
+        run: sudo apt-get install lcov
+
+      - name: install grcov
+        run: cargo install grcov
+
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Run grcov
+        env:
+          PROJECT_NAME: "json-diff"
+          RUSTDOCFLAGS: "-Cinstrument-coverage -Ccodegen-units=1 -Copt-level=0 -Clink-dead-code -Coverflow-checks=off -Zpanic_abort_tests -Cpanic=abort"
+          RUSTFLAGS: "-Cinstrument-coverage -Ccodegen-units=1 -Copt-level=0 -Clink-dead-code -Coverflow-checks=off -Zpanic_abort_tests -Cpanic=abort"
+          CARGO_INCREMENTAL: 0
+        run: |
+          cargo +nightly build --verbose --no-default-features
+          cargo +nightly test --verbose --no-default-features
+          grcov . -s . --binary-path ./target/debug/ -t lcov --llvm --branch --ignore-not-existing --ignore="/*" --ignore="target/*" --ignore="tests/*"  -o lcov.info
+
+      - name: Push grcov results to Coveralls via GitHub Action
+        uses: coverallsapp/[email protected]
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          path-to-lcov: "lcov.info"

.gitignore

@@ -1,2 +1,4 @@
 /target
 **/*.rs.bk
+.idea
+Cargo.lock

.vscode/launch.json

@@ -0,0 +1,64 @@
+{
+    // Verwendet IntelliSense zum Ermitteln möglicher Attribute.
+    // Zeigen Sie auf vorhandene Attribute, um die zugehörigen Beschreibungen anzuzeigen.
+    // Weitere Informationen finden Sie unter https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "lldb",
+            "request": "launch",
+            "name": "Debug unit tests in library 'json_diff'",
+            "cargo": {
+                "args": [
+                    "test",
+                    "--no-run",
+                    "--lib",
+                    "--package=json_diff_ng"
+                ],
+                "filter": {
+                    "name": "json_diff",
+                    "kind": "lib"
+                }
+            },
+            "args": [],
+            "cwd": "${workspaceFolder}"
+        },
+        {
+            "type": "lldb",
+            "request": "launch",
+            "name": "Debug executable 'json_diff'",
+            "cargo": {
+                "args": [
+                    "build",
+                    "--bin=json_diff",
+                    "--package=json_diff_ng"
+                ],
+                "filter": {
+                    "name": "json_diff",
+                    "kind": "bin"
+                }
+            },
+            "args": [],
+            "cwd": "${workspaceFolder}"
+        },
+        {
+            "type": "lldb",
+            "request": "launch",
+            "name": "Debug unit tests in executable 'json_diff'",
+            "cargo": {
+                "args": [
+                    "test",
+                    "--no-run",
+                    "--bin=json_diff",
+                    "--package=json_diff_ng"
+                ],
+                "filter": {
+                    "name": "json_diff",
+                    "kind": "bin"
+                }
+            },
+            "args": [],
+            "cwd": "${workspaceFolder}"
+        }
+    ]
+}