syntax_data: {"ast_node_type":"variable","tokens":[{"end":59,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:             let sized = matches!(ty.kind(), ty::FnDef(..));
context_before:         ty::FnDef(..) | ty::Dynamic(_, _, ty::Dyn) | ty::Foreign(..) => {
context_after:             tcx.mk_layout(LayoutData::unit(cx, sized))