If possible assign directly to struct fields, slices, maps

[jmattheis]

Fixes #97

[codecov]

Codecov Report

Attention: Patch coverage is 96.82540% with 4 lines in your changes missing coverage. Please review.

Project coverage is 96.59%. Comparing base (ae1b2c8) to head (c3a52d6).

Files	Patch %	Lines
builder/enum.go	0.00%	2 Missing ⚠️
generator/generator.go	94.11%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #148      +/-   ##
==========================================
- Coverage   96.68%   96.59%   -0.10%     
==========================================
  Files          45       46       +1     
  Lines        2053     2115      +62     
==========================================
+ Hits         1985     2043      +58     
- Misses         47       50       +3     
- Partials       21       22       +1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.