Method source

block/src/error.rs:231–235

(&self)

impl StdError for BlockError {
    fn source(&self) -> Option<&(dyn StdError + 'static)> {
        self.source
            .as_ref()
            .map(|e| e.as_ref() as &(dyn StdError + 'static))
    }
}

/// Convenience: wrap an `io::Error` as `BlockErrorKind::Io`.