syntax_data: {"ast_node_type":"other","tokens":[{"end":20,"kind":"keyword","start":0,"text":"match"}]}
source_snippet:         match self {
context_before:     fn abi_hash(&self, tcx: TyCtxt<'tcx>, hasher: &mut StableHasher) {
context_after:             ty::GenericArgKind::Type(t) => t.abi_hash(tcx, hasher),