1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
use options::Options; use std::str::FromStr; /// Command-line arguments. #[derive(Debug)] pub struct Arguments { /// The name of the executable. pub program: String, /// Raw options (all strings). pub options: Options, /// Unclassified arguments. pub orphans: Vec<String>, } impl Arguments { /// Get the value of an option (if present) converted to a specific type (if /// possible). pub fn get<T: FromStr>(&self, name: &str) -> Option<T> { self.options.get_ref::<String>(name).and_then(|string| string.parse().ok()) } }