minor improvements

[vtolstov]

Signed-off-by: Vasiliy Tolstov v.tolstov@unistack.org

[codecov]

Codecov Report

Merging #149 (396387d) into v3 (4c2f12a) will decrease coverage by 0.20%.
The diff coverage is 23.33%.

@@            Coverage Diff             @@
##               v3     #149      +/-   ##
==========================================
- Coverage   41.17%   40.96%   -0.21%     
==========================================
  Files          98       98              
  Lines        9157     9161       +4     
==========================================
- Hits         3770     3753      -17     
- Misses       5051     5070      +19     
- Partials      336      338       +2     

Impacted Files	Coverage Δ
flow/default.go	0.73% <0.00%> (ø)
register/memory.go	66.94% <0.00%> (ø)
store/options.go	19.60% <60.00%> (+0.01%)	⬆️
store/memory.go	32.81% <100.00%> (+0.25%)	⬆️
broker/memory.go	47.59% <0.00%> (-7.87%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 4c2f12a...396387d. Read the comment docs.