{"ast_node_type":"function","tokens":[{"end":85,"kind":"keyword","start":0,"text":"fn"}]}
    fn hash_attr_id(&mut self, _id: &HashIgnoredAttrId, _hasher: &mut StableHasher) {
impl<'ctx> rustc_hir::HashStableContext for StableHashingContext<'ctx> {
        /* we don't hash HashIgnoredAttrId, we ignore them */