[Go] Avoid while loop

[sotetsuk]

• [ ] add unit test

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 80.72%. Comparing base (fbba3c4) to head (7cae762).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1223 +/- ## ========================================== - Coverage 80.73% 80.72% -0.01% ========================================== Files 61 61 Lines 5979 5978 -1 ========================================== - Hits 4827 4826 -1 Misses 1152 1152 ```

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