{"ast_node_type":"function","tokens":[{"end":77,"kind":"keyword","start":0,"text":"default"}]}
    default fn hash_stable(&self, ctx: &mut CTX, hasher: &mut StableHasher) {
impl<T: HashStable<CTX>, CTX> HashStable<CTX> for [T] {
        self.len().hash_stable(ctx, hasher);