syntax_data: {"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:             if params_in_repr.contains(i as u32) {
context_before:         if let ty::GenericArgKind::Type(ty) = arg.kind() {
context_after:                 rtry!(representability_ty(tcx, ty));