syntax_data: {"ast_node_type":"variable","tokens":[{"end":48,"kind":"keyword","start":0,"text":"&&"}]}
source_snippet:             && let ty::Slice(..) = ref_ty.kind()
context_before:         if let ty::Ref(_, ref_ty, _) | ty::RawPtr(ref_ty, _) = ty.ty.kind()
context_after:         {