variant struct

[size12]

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Pull request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

What is the current behavior?

Issue Number: #1065

What is the new behavior?

Other information

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.61%. Comparing base (a0abd92) to head (8c78b93).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1172      +/-   ##
==========================================
+ Coverage   68.23%   68.61%   +0.37%     
==========================================
  Files         307      308       +1     
  Lines       32017    32371     +354     
==========================================
+ Hits        21847    22211     +364     
+ Misses       9218     9208      -10     
  Partials      952      952              

Flag	Coverage Δ
	52.96% <0.00%> (-0.57%)	⬇️
go-1.21.x	70.64% <100.00%> (+0.28%)	⬆️
go-1.22.x	68.26% <100.00%> (+0.51%)	⬆️
integration	52.96% <0.00%> (-0.57%)	⬇️
macOS	39.83% <100.00%> (+0.65%)	⬆️
ubuntu	39.89% <100.00%> (+0.70%)	⬆️
unit	39.91% <100.00%> (+0.67%)	⬆️
windows	39.86% <100.00%> (+0.68%)	⬆️
ydb-23.3	48.01% <0.00%> (-0.47%)	⬇️
ydb-24.1	52.76% <0.00%> (-0.53%)	⬇️

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