syntax_data: {"ast_node_type":"function","tokens":[{"end":70,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet:     fn abi_hash(&self, tcx: TyCtxt<'tcx>, hasher: &mut StableHasher) {
context_before: impl<'tcx> AbiHashStable<'tcx> for ty::GenericArg<'tcx> {
context_after:         self.kind().abi_hash(tcx, hasher);