syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // Arrays and tuples implement `BikeshedGuaranteedNoDrop` only if
context_before:             ty::Adt(def, _) if def.is_manually_drop() => {}
context_after:             // their constituent types implement `BikeshedGuaranteedNoDrop`.