Add cargo features

.github/workflows/ci.yaml

@@ -15,18 +15,23 @@ env:
 
 jobs:
   test:
-    name: ${{ matrix.cmd.name }} (Rust ${{ matrix.rust }})
+    name: ${{ matrix.cmd.name }} (Rust ${{ matrix.rust }}) ${{ matrix.features }}
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         rust:
           - stable
+        features:
+          - --no-default-features
+          -
+          - -F cli
         cmd:
           - name: Test
             run: cargo test --locked
           - name: Clippy
-            run: cargo clippy --locked --tests -- -D warnings
+            run: cargo clippy --locked --tests
+            run2: -D warnings
     timeout-minutes: 45
     steps:
       - uses: actions/checkout@v4
@@ -36,7 +41,7 @@ jobs:
       - name: Install build dependencies
         run: sudo apt-get install -y libudev-dev
       - name: ${{ matrix.cmd.name }}
-        run: ${{ matrix.cmd.run }}
+        run: ${{ matrix.cmd.run }} ${{ matrix.features }} -- ${{ matrix.cmd.run2 }}
 
   build:
     name: Build for ${{ matrix.target.name }}
@@ -72,7 +77,7 @@ jobs:
         run: ${{ matrix.target.pre-build }}
         if: matrix.target.pre-build
       - name: Build for ${{ matrix.target.name }}
-        run: cargo build --locked --release --target ${{ matrix.target.target }}
+        run: cargo build --locked --release --target ${{ matrix.target.target }} --no-default-features -F cli
       - name: Check file
         run: |
           file target/${{ matrix.target.target }}/release/rust-github-actions-test${{ matrix.target.ext }}

Cargo.toml

@@ -3,5 +3,14 @@ name = "rust-github-actions-test"
 version = "0.1.0"
 edition = "2021"
 
+[[bin]]
+name = "rust-github-actions-test"
+required-features = ["cli"]
+
+[features]
+default = ["example"]
+example = []
+cli = ["example"]
+
 [dependencies]
 hidapi = "2.6.1"

src/lib.rs

@@ -0,0 +1,13 @@
+#![warn(clippy::all, clippy::pedantic)]
+
+#[cfg(feature = "example")]
+#[cfg(target_feature = "crt-static")]
+pub fn foo() {
+    println!("the C runtime should be statically linked");
+}
+
+#[cfg(feature = "example")]
+#[cfg(not(target_feature = "crt-static"))]
+pub fn foo() {
+    println!("the C runtime should be dynamically linked");
+}

src/main.rs

@@ -1,5 +1,7 @@
 #![warn(clippy::all, clippy::pedantic)]
 
+use rust_github_actions_test::foo;
+
 fn main() {
     println!(
         "Hello, world V2!: {:?} {:?}",
@@ -28,13 +30,3 @@ fn main() {
         Err(err) => eprintln!("Error: {err:?}"),
     }
 }
-
-#[cfg(target_feature = "crt-static")]
-fn foo() {
-    println!("the C runtime should be statically linked");
-}
-
-#[cfg(not(target_feature = "crt-static"))]
-fn foo() {
-    println!("the C runtime should be dynamically linked");
-}