Add formatting job

Signed-off-by: Marcel Müller <neikos@neikos.email>

.forgejo/workflows/ci.yml

@@ -10,6 +10,14 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
+  formatting:
+    name: hem - Build & Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Rust
+        uses: https://github.com/dtolnay/rust-toolchain@1.88
+      - run: cargo fmt --check
   build_and_test:
     name: hem - Build & Test
     runs-on: ubuntu-latest

src/main.rs

@@ -1,3 +1,5 @@
+#![expect(dead_code)]
+
 use clap::Parser;
 
 mod cli;
@@ -5,10 +7,10 @@ mod expr;
 
 fn main() -> miette::Result<()> {
     let args = cli::Args::parse();
-    let input_delim = args.delimiter();
+    let _input_delim = args.delimiter();
-    let input = args.input();
+    let _input = args.input();
 
-    let expression = expr::parse(&args.expression)?;
+    let _expression = expr::parse(&args.expression)?;
 
     Ok(())
 }