move-borrowed-context.rs

use std::env;

struct Config { mode: String, port: String }

fn main() {
    let args: Vec<_> = env::args().collect();
    let config = parse_config(&args);
}

fn parse_config(args: &Vec<String>) -> Config {
    let default_mode = &"ping".to_string();
    let mode = args.get(1).unwrap_or(default_mode);
    let default_port = &"3000".to_string();
    let port = args.get(2).unwrap_or(default_port);
    Config { mode: *mode, port: *port }
}