syntax_data: {"ast_node_type":"other","tokens":[{"end":13,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// in bytes.
context_before: /// The usize value, where present, indicates the size of the function's argument list
context_after: #[derive(Clone, PartialEq, Debug, Encodable, Decodable, HashStable_Generic)]