ip-v8/rust-ipv8

#![macro_use]
#![doc(hidden)]
macro_rules! create_error {
    ( $name: ident, $message: expr) => {
        #[derive(Debug)]
        #[doc(hidden)]
        pub struct $name;

        impl std::fmt::Display for $name {
            fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
                write!(f, $message)
            }
        }

        impl std::error::Error for $name {
            fn description(&self) -> &str {
                $message
            }
        }
    };
}

#[cfg(test)]
mod tests {
    use std::error::Error;

    #[test]
    fn test_errors() {
        create_error!(TestError, "yeet");
        assert_eq!(TestError.description(), "yeet");
        assert_eq!(format!("{:?}", TestError), "TestError");
        assert_eq!(format!("{}", TestError), "yeet");
    }
}