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use std::env;
use std::fs;
fn main() {
let args: Vec<String> = env::args().collect();
let config = Config::new(&args);
println!("Searching for {}", config.query);
println!("In file {}", config.filename);
let contents = fs::read_to_string(config.filename)
.expect("Something went wrong reading the file");
println!("With text:\n{}", contents);
}
struct Config {
query: String,
filename: String,
}
impl Config {
// ANCHOR: here
// --snip--
fn new(args: &[String]) -> Config {
if args.len() < 3 {
panic!("not enough arguments");
}
// --snip--
// ANCHOR_END: here
let query = args[1].clone();
let filename = args[2].clone();
Config { query, filename }
}
}