syntax_data: {"ast_node_type":"variable","tokens":[{"end":77,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:             let subcandidate_block = subcandidate.pre_binding_block.unwrap();
context_before:         for subcandidate in mem::take(&mut candidate.subcandidates) {
context_after:             self.cfg.goto(subcandidate_block, source_info, shared_pre_binding_block);