syntax_data: {"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"ty::GenericArgKind::Lifetime(_)"}]}
source_snippet:             ty::GenericArgKind::Lifetime(_) | ty::GenericArgKind::Const(_) => unimplemented!(),
context_before:             ty::GenericArgKind::Type(t) => t.abi_hash(tcx, hasher),
context_after:         }