1 2 3 4 5 6 7 8 9 10 11 12 13 14
pub fn run() -> Result<(), Box<dyn std::error::Error>> { println!("nativ {}", env!("CARGO_PKG_VERSION")); Ok(()) } #[cfg(test)] mod tests { use super::*; #[test] fn version_command_never_fails() { assert!(run().is_ok()); } }