diff --git a/minigrep/src/main.rs b/minigrep/src/main.rs index 1ed6967..fa02490 100644 --- a/minigrep/src/main.rs +++ b/minigrep/src/main.rs @@ -21,14 +21,14 @@ struct Config { } impl Config { - fn new(args: &[String]) -> Config { + fn build(args: &[String]) -> Result<Config, &'static str> { if args.len() < 3 { - panic!("not enough arguments"); + return Err("not enough arguments"); } let query = args[1].clone(); let file_path = args[2].clone(); - Config { query, file_path } + Ok(Config { query, file_path }) } }