syntax_data: {"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"#[derive(Debug,"}]}
source_snippet:         #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Encodable, Decodable, HashStable_Generic)]
context_before:     ($Name:ident, $LocalName:ident) => {
context_after:         pub struct $Name(DefId);