minigrep_testing_crates 0.1.0

Minigrep project from rust book
Documentation 
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use minigrep_testing_crates::Config;
use std::{ env, process };
fn main() {
    let config = Config::build(env::args()).unwrap_or_else(|err| {
        eprintln!("Problem parsing arguments: {err}");
        process::exit(1);
    });
    if let Err(e) = minigrep_testing_crates::run(config) {
        eprintln!("Application error: {e}");
        process::exit(1);
    }
}