Improved the doctests

[VictorKoenders]

No description provided.

[codecov]

Codecov Report

Patch coverage: 14.28% and project coverage change: -0.15 ⚠️

Comparison is base (7b4b3a7) 48.49% compared to head (8cf4da0) 48.35%.

❗ Current head 8cf4da0 differs from pull request most recent head 518559d. Consider uploading reports for the commit 518559d to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##            trunk      #57      +/-   ##
==========================================
- Coverage   48.49%   48.35%   -0.15%     
==========================================
  Files          19       19              
  Lines        2029     2035       +6     
==========================================
  Hits          984      984              
- Misses       1045     1051       +6     

Impacted Files	Coverage Δ
src/generate/generate_item.rs	0.00% <ø> (ø)
src/generate/generator.rs	55.55% <0.00%> (-4.45%)	⬇️
src/generate/impl.rs	0.00% <ø> (ø)
src/lib.rs	42.77% <ø> (ø)
src/utils.rs	79.59% <ø> (ø)
src/generate/impl_for.rs	41.00% <100.00%> (ø)

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