#[derive(Debug, Eq, PartialEq)]
pub enum AppError {
UnknownFlag(String),
}
impl std::fmt::Display for AppError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
AppError::UnknownFlag(flag) => {
write!(f, "Unknown flag: {flag}")
}
}
}
}