[WIP] Refactor graph_connect.go for better readability

[akokhanovskyi]

This is WIP, please do not merge yet; comments are welcome!

[codecov-io]

Codecov Report

Merging #69 into master will decrease coverage by 1.85%.
The diff coverage is 80.32%.

@@            Coverage Diff             @@
##           master      #69      +/-   ##
==========================================
- Coverage   89.47%   87.61%   -1.86%     
==========================================
  Files           6        7       +1     
  Lines         304      323      +19     
==========================================
+ Hits          272      283      +11     
- Misses         17       26       +9     
+ Partials       15       14       -1     

Impacted Files	Coverage Δ
graph_connect.go	89.85% <78.94%> (-1.45%)	⬇️
address.go	80.95% <80.95%> (ø)

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[akokhanovskyi]

Note that this is guaranteed to panic. To "extend" the underlying array, you have to reallocate the slice and copy the data.

[codecov-commenter]

Codecov Report

Merging #69 (265c5fa) into master (b48b2ee) will decrease coverage by 1.13%.
The diff coverage is 84.34%.

@@            Coverage Diff             @@
##           master      #69      +/-   ##
==========================================
- Coverage   89.43%   88.30%   -1.14%     
==========================================
  Files           6        7       +1     
  Lines         303      342      +39     
==========================================
+ Hits          271      302      +31     
- Misses         17       22       +5     
- Partials       15       18       +3     

Impacted Files	Coverage Δ
factory.go	100.00% <ø> (ø)
graph_iip.go	75.00% <33.33%> (-8.34%)	⬇️
graph_ports.go	75.75% <50.00%> (-9.43%)	⬇️
graph.go	82.97% <75.00%> (-0.70%)	⬇️
graph_connect.go	89.62% <77.50%> (-1.68%)	⬇️
address.go	100.00% <100.00%> (ø)

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