Method new_syn_error

crates/derive-impl/src/util.rs:109–111

(&self, span: Span, message: &str)

        &self.inner().attr_name
    }
    fn new_syn_error(&self, span: Span, message: &str) -> syn::Error {
        syn::Error::new(span, format!("#[{}] {}", self.attr_name(), message))
    }
}

pub(crate) struct ItemMetaInner {