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use std::fmt; #[derive(Debug)] pub struct Error { pub code: i32, pub message: String, } impl Error { pub fn new(code: i32, message: String) -> Self { Self { code, message } } } impl fmt::Display for Error { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { write!(f, "{} (code: {})", self.message, self.code) } } impl std::error::Error for Error {} pub type Result<T> = ::std::result::Result<T, Error>;