Method fmt

ch_09/handle-errors/src/lib.rs:34–36

(&self, f: &mut std::fmt::Formatter)

impl std::fmt::Display for APILayerError {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        write!(f, "Status: {}, Message: {}", self.status, self.message)
    }
}

impl std::fmt::Display for Error {