{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"(Some(len),"}]}
            (Some(len), VarLen(prefix, suffix)) if prefix + suffix > len => panic!(
            (Some(len), VarLen(prefix, suffix)) if prefix + suffix == len => FixedLen(len),
                "Slice pattern of length {} longer than its array length {len}",