syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:         if self.exhaustive { Ok(ty) } else { Err(AlwaysRequiresDrop) }
context_before:     fn always_drop_component(&self, ty: Ty<'tcx>) -> NeedsDropResult<Ty<'tcx>> {
context_after:     }