{"ast_node_type":"function","tokens":[{"end":77,"kind":"keyword","start":0,"text":"fn"}]}
    fn is_pointer_trait(&self, bound: ty::Clause<'tcx>) -> Option<Ty<'tcx>> {
    /// If the given predicate is the trait `fmt::Pointer`, returns the bound parameter type.
        if let ty::ClauseKind::Trait(predicate) = bound.kind().skip_binder() {