minigrep-dalingtao 0.1.1

test project
Documentation 
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use std::env;
use std::error::Error;
use minigrep_dalingtao::*;


pub fn main() -> Result<(), Box<dyn Error>> {
    let args: Vec<String> = env::args().collect();
    let pattern = dbg!(args.get(1).expect("query is empty"));
    let filename = dbg!(args.get(2).expect("filename is empty"));
    let config = Config::new(pattern, filename);
    run(config)
}