syntax_data: {"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // This always schedules storage drops, so we may need to unschedule them below.
context_before:             // insert implicit references/dereferences.
context_after:             self.bind_matched_candidate_for_guard(block, sub_branch.bindings.iter());