refactor: per goland suggestions

[aldy505]

capek bossshh

[codecov]

Codecov Report

Merging #21 (7af25dc) into master (dc73bcf) will decrease coverage by 4.95%.
The diff coverage is 15.00%.

@@            Coverage Diff             @@
##           master      #21      +/-   ##
==========================================
- Coverage   53.78%   48.83%   -4.96%     
==========================================
  Files          11       11              
  Lines         502      557      +55     
==========================================
+ Hits          270      272       +2     
- Misses        189      235      +46     
- Partials       43       50       +7     

Impacted Files	Coverage Δ
analytics/parser.go	100.00% <ø> (ø)
analytics/server/server.go	0.00% <0.00%> (ø)
utils/array.go	100.00% <ø> (ø)
utils/ascii.go	100.00% <ø> (ø)
utils/random.go	100.00% <ø> (ø)
utils/tele.go	100.00% <ø> (ø)
analytics/migration.go	68.13% <11.76%> (-5.68%)	⬇️
analytics/join.go	62.00% <13.33%> (-6.89%)	⬇️
analytics/incr.go	65.71% <20.00%> (-6.17%)	⬇️
analytics/server/repo.go	44.32% <23.07%> (-3.40%)	⬇️
... and 6 more

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[ronnygunawan]

"What doesn't kill you, makes you stronger." - Friedrich Nietzsche