add CI

.github/workflows/rust.yml

@@ -0,0 +1,75 @@
+name: Everything Rust
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+env:
+  CARGO_TERM_COLOR: always
+jobs:
+  build_works:
+    name: Build Works
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - name: run cargo build --release
+        run: |
+          cargo build --release 
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - name: run cargo test
+        run: |
+          cargo test
+  fmt:
+    name: fmt
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - name: run cargo fmt --check
+        run: |
+          cargo fmt --check
+  clippy:
+    name: clippy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - name: run cargo clippy
+        run: |
+          cargo clippy
+  doc:
+    name: Doc
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - name: run cargo doc
+        run: |
+          cargo doc
+

src/main.rs

@@ -1,3 +1,12 @@
 fn main() {
     println!("Hello, world!");
 }
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn test_addition() {
+        assert_eq!(2 + 2, 4);
+    }
+}
+