Macro assert_res_ok 

macro_rules! assert_res_ok {
    ($result:expr, $test_name:expr) => { ... };
}

断言 Result 为 Ok，返回值

示例

let result: SDKResult<String> = Ok("test".to_string());
let value = assert_res_ok!(result, "test_case");
assert_eq!(value, "test");