Exit on usage error.

2020-02-03 18:00:03 -08:00 · 2020-02-03 18:00:03 -08:00 · db09e5792e
commit db09e5792e
parent 5b1e5c2dac
1 changed files with 1 additions and 1 deletions
--- a/src/main.rs
+++ b/src/main.rs
@ -8,7 +8,7 @@ use google_rest_api_generator::generate;
 fn main() -> Result<(), Box<dyn Error>> {
    let args: Vec<_> = std::env::args().skip(1).collect();
    if args.len() != 2 {
-        eprintln!("Usage: main discovery.json output_directory");
+        return Err("Usage: main discovery.json output_directory".into());
    }
    let mut file = File::open(&args[0])?;
    let mut contents = String::new();