Hello, I'm new to rust, so I don't understand some things.
If you have time to explain the fix and help me to do it: thank you!
#[allow(unused_imports)] use owo_colors::OwoColorize; mod display; macro_rules! error { ($($e:tt)*) => { eprintln!("{}: {}", "error".bold().red(), format!($($e)*)); }; } macro_rules! warn { ($($e:tt)*) => { eprintln!("{}: {}", "warning".bold().yellow(), format!($($e)*)); }; } macro_rules! exit { // rule one: does not specify the exit code () => { std::process::exit(0); }; // rule two: specify the exit code ($ec:literal) => { if $ec == 1 { println!("{}: exiting with exit code 1", "warning".bold().yellow()); } std::process::exit($ec); }; } fn main() { let mut shell_arguments = pico_args::Arguments::from_env(); let version = shell_arguments.contains(["-v", "--v"]); let help = shell_arguments.contains(["-h", "--help"]); if help { display::help::display(); exit!(); } if version { display::version::display(); exit!(); } let input = shell_arguments .value_from_str(["-i", "--input"]) .unwrap_or_else(|e| { error!("missing input argument!"); exit!(1); }); todo!(); } 3 posts - 2 participants
