| --- |
| title: 'wasm\_exec\_result' |
| --- |
| |
| The result of executing a WebAssembly function with |
| `repository_ctx.execute_wasm()`. It contains the function's |
| return value and output buffer. |
| |
| If execution failed before the function returned then the return code will be negative |
| and the `error_message` field will be set. |
| |
| ## Members |
| |
| * [error\_message](#error_message) |
| * [output](#output) |
| * [return\_code](#return_code) |
| |
| ## error\_message |
| |
| ``` |
| string wasm_exec_result.error_message |
| ``` |
| |
| Contains an error message if execution failed before the function returned. |
| |
| ## output |
| |
| ``` |
| string wasm_exec_result.output |
| ``` |
| |
| The content of the output buffer returned by the WebAssembly function. |
| |
| ## return\_code |
| |
| ``` |
| long wasm_exec_result.return_code |
| ``` |
| |
| The return value of the WebAssembly function, or a negative value if execution |
| was terminated before the function returned. |
