{"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"success.then_some(hi_lo_to_u128(lo,"}]}
            success.then_some(hi_lo_to_u128(lo, hi))
            let success = llvm::LLVMRustConstInt128Get(v, sign_ext, &mut hi, &mut lo);
        })