Method fmt

library/src/domain/mod.rs:41–43

(&self, f: &mut std::fmt::Formatter<'_>)

impl_downcast!(Message);
impl Debug for dyn Message {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        write!(f, "{}", self.metadata().topic)
    }
}

#[macro_export]