Add MarshalJSON method

[shruggr]

No description provided.

[mergify]

Welcome to our open-source project! 💘

[codecov]

Codecov Report

Attention: Patch coverage is 5.12821% with 37 lines in your changes missing coverage. Please review.

Project coverage is 35.20%. Comparing base (4d23404) to head (3b7a177).
Report is 5 commits behind head on master.

Files with missing lines	Patch %	Lines
b.go	2.85%	34 Missing ⚠️
bob.go	25.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           master      #82       +/-   ##
===========================================
- Coverage   50.47%   35.20%   -15.28%     
===========================================
  Files           3        3               
  Lines         105      125       +20     
===========================================
- Hits           53       44        -9     
- Misses         50       80       +30     
+ Partials        2        1        -1     

Flag	Coverage Δ
unittests	35.20% <5.12%> (-15.28%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
bob.go	93.02% <25.00%> (+7.05%)	⬆️
b.go	10.52% <2.85%> (-89.48%)	⬇️

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