ci: adds continuous integration workflow (#4)

.github/workflows/CI.yml

@@ -0,0 +1,52 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  format:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+      - name: Update Rust
+        run: rustup update nightly && rustup default nightly
+      - name: Install rustfmt
+        run: rustup component add rustfmt
+      - run: cargo fmt -- --check
+
+  lint:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+      - name: Update Rust
+        run: rustup update stable && rustup default stable
+      - name: Install clippy
+        run: rustup component add clippy
+      - run: cargo clippy --all-features -- --deny warnings
+
+  test:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+      - name: Update Rust
+        run: rustup update stable && rustup default stable
+      - run: cargo test --all-features
+
+  test-examples:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+      - name: Update Rust
+        run: rustup update stable && rustup default stable
+      - run: cargo test --all-features --examples
+
+  docs:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+      - name: Update Rust
+        run: rustup update stable && rustup default stable
+      - run: cargo doc

Cargo.toml

@@ -19,15 +19,14 @@ tracing-subscriber = { version = "0.3.18", features = ["env-filter"] }
 url = "2.5.2"
 
 [lints.rust]
-broken_intra_doc_links = "warn"
 missing_docs = "warn"
 nonstandard-style = "warn"
 rust-2018-idioms = "warn"
 rust-2021-compatibility = "warn"
 rust-2024-compatibility = "warn"
 
 [lints.rustdoc]
-missing_doc_code_examples = "warn"
+broken_intra_doc_links = "warn"
 
 [lints.clippy]
 missing_docs_in_private_items = "warn"

src/lib.rs

@@ -17,25 +17,6 @@ pub type BoxedError = Box<dyn std::error::Error>;
 ///   `Logger`) if that is the construct struct wrapped.
 /// * `variant` is the name of the variant in the enum that wraps the concrete
 ///   struct (e.g., `Logger` if the variant is `Self::Logger`).
-///
-/// A simple example:
-///
-/// ```rust
-/// /// Services that can be registered within the engine.
-/// #[derive(Debug)]
-/// pub enum Service {
-///     /// A logging service.
-///     Logger(Logger),
-///
-///     /// A task runner service.
-///     Runner(Runner),
-/// }
-///
-/// impl Service {
-///     as_into_unwrap!(logger, Logger, Logger);
-///     as_into_unwrap!(runner, Runner, Runner);
-/// }
-/// ```
 #[macro_export]
 macro_rules! as_into_unwrap {
     ($suffix:ident, $inner:ty, $variant:ident) => {