refactor: use for...of for better readability

[noritaka1166]

use for...of for better readability

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.24%. Comparing base (9d63cbc) to head (eb0957f).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #168      +/-   ##
==========================================
- Coverage   93.25%   93.24%   -0.01%     
==========================================
  Files          24       24              
  Lines        1823     1822       -1     
  Branches      584      584              
==========================================
- Hits         1700     1699       -1     
  Misses        114      114              
  Partials        9        9              

Flag	Coverage Δ
integration	93.24% <100.00%> (-0.01%)	⬇️

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