syntax_data: {"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// implements `fmt::Debug`, `Encodable`, and `Decodable` in special ways.
context_before: /// Note that `Symbol` cannot directly be a `rustc_index::newtype_index!` because it
context_after: #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]