{"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"trait_m_sig.decl.inputs.get(pos).map(|arg|"}]}
                trait_m_sig.decl.inputs.get(pos).map(|arg| {
                let pos = trait_number_args.saturating_sub(1);
                    if pos == 0 {