use crate::Clier;
#[derive(Debug)]
pub struct DoesntExist;
pub fn use_double_dash<T, B>(clier: &Clier<T, B>) -> Result<String, DoesntExist> {
if clier.args.after_dashes().is_empty() {
return Err(DoesntExist);
}
Ok(clier.args.after_dashes().to_string())
}