Fix the example, expand workflows

Author: erickt

.github/workflows/rust.yml

@@ -4,18 +4,44 @@ on: [push, pull_request]
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
 
+    - name: Build
+      run: cargo build --workspace --examples --verbose
+
+    - name: Run tests
+      run: cargo test --workspace --verbose
+
+    - name: Run simple_example
+      run: cargo run --package argh --example simple_example two --fooey
+
+  rustfmt:
+    name: rustfmt
+    runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
+
     - name: Run Rustfmt
       run: cargo fmt -- --check
-    - name: Build
-      run: cargo build --verbose
-    - name: Run tests
-      run: cargo test --verbose
+
+  clippy:
+    name: clippy
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+
     - name: Run clippy
-      run: cargo clippy --version && cargo clippy -- -D warnings
-    - name: Run cargo expand
-      run: (rustup default nightly && cd argh && cargo install cargo-expand && cargo expand --example simple_example.rs)
+      run: cargo clippy --version && cargo clippy --tests --workspace -- -D warnings
+
+  docs:
+    name: docs
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Check documentation
+      env:
+        RUSTDOCFLAGS: -D warnings
+      run: cargo doc --no-deps --document-private-items --workspace

argh/examples/simple_example.rs

@@ -36,4 +36,7 @@ struct SubCommandTwo {
     fooey: bool,
 }
 
-fn main() {}
+fn main() {
+    let toplevel: TopLevel = argh::from_env();
+    println!("{:#?}", toplevel);
+}