fix: print usage when no arguments are passed #2

2024-05-12 01:05:48 +02:00 · 2024-05-12 01:05:48 +02:00 · 5a780f83e8
parent 3fd52c19dd
commit 5a780f83e8
1 changed files with 1 additions and 1 deletions
--- a/src/main.rs
+++ b/src/main.rs
@ -31,7 +31,7 @@ struct Cli {
    #[arg(short, long)]
    /// format to octal
    oct: bool,
-    #[clap(value_parser=maybe_hex::<Num>)]
+    #[clap(value_parser=maybe_hex::<Num>, required=true)]
    /// at least one number that should be formatted
    ///
    /// supports either base 10 or base 16 inputs (with 0xaaaa)