syntax_data: {"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"ty::Adt(..)"}]}
source_snippet:         ty::Adt(..) => tcx.representability_adt_ty(ty),
context_before:     match *ty.kind() {
context_after:         // FIXME(#11924) allow zero-length arrays?