{"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"decoder.interner().mk_patterns_from_iter("}]}
        decoder.interner().mk_patterns_from_iter(
        let len = decoder.read_usize();
            (0..len).map::<ty::Pattern<'tcx>, _>(|_| Decodable::decode(decoder)),