syntax_data: {"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"def_id.krate.encode(self);"}]}
source_snippet:         def_id.krate.encode(self);
context_before:     fn encode_def_id(&mut self, def_id: DefId) {
context_after:         def_id.index.encode(self);