use std::fmt;
#[derive(Debug)]
pub struct OfflineRetrievalError {
pub file: String,
}
impl fmt::Display for OfflineRetrievalError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Failed to fetch ontology from {}", self.file)
}
}
impl std::error::Error for OfflineRetrievalError {}