use std::error::Error;
use std::fmt::Display;
#[derive(Debug)]
pub enum FormError {
GetFilenameError,
}
impl Display for FormError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self { FormError::GetFilenameError => write!(f, "get filename error"), }
}
}
impl Error for FormError {}