fix: skip int struct field

[trim21]

close #69

[codecov]

Codecov Report

❌ Patch coverage is 63.15789% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 57.93%. Comparing base (140b30a) to head (4f61be6).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
internal/decoder/context.go	66.66%	4 Missing and 2 partials ⚠️
internal/errors/error.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #71      +/-   ##
==========================================
+ Coverage   57.69%   57.93%   +0.23%     
==========================================
  Files          48       48              
  Lines        2617     2629      +12     
==========================================
+ Hits         1510     1523      +13     
+ Misses        948      945       -3     
- Partials      159      161       +2     

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