{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":".chain(Z_OPTIONS.iter().map(|opt_desc|"}]}
                .chain(Z_OPTIONS.iter().map(|opt_desc| ('Z', opt_desc.name())))
                .map(|opt_desc| ('C', opt_desc.name()))
                .find(|&(_, name)| *opt == name.replace('_', "-"))