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use std::error::Error as StdError; use std::fmt::{Display, Formatter, Result}; #[derive(Debug, Clone)] pub struct Error { message: String, } impl Error { pub fn new<T: Display>(message: T) -> Self { Error { message: message.to_string(), } } pub fn get_message(&self) -> String { self.message.clone() } } impl StdError for Error { fn source(&self) -> Option<&(dyn StdError + 'static)> { None } } impl Display for Error { fn fmt(&self, f: &mut Formatter<'_>) -> Result { write!(f, "{}", self.message) } }