#[derive(Debug, PartialEq)] pub enum DbErr { Conn(String), Exec(String), Query(String), } impl std::error::Error for DbErr {} impl std::fmt::Display for DbErr { fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { match self { Self::Conn(s) => write!(f, "Connection Error: {}", s), Self::Exec(s) => write!(f, "Execution Error: {}", s), Self::Query(s) => write!(f, "Query Error: {}", s), } } } #[derive(Debug, Clone)] pub struct ColumnFromStrErr(pub String); impl std::error::Error for ColumnFromStrErr {} impl std::fmt::Display for ColumnFromStrErr { fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { write!(f, "{}", self.0.as_str()) } }