gen_map gets map from sys/dia, non-invasive when necessary

[corcra]

No description provided.

[codecov-io]

Codecov Report

Merging #5 into master will decrease coverage by 1.6%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master       #5      +/-   ##
==========================================
- Coverage   41.75%   40.15%   -1.61%     
==========================================
  Files          17       17              
  Lines         376      391      +15     
==========================================
  Hits          157      157              
- Misses        219      234      +15

Impacted Files	Coverage Δ
R/gen.R	0% <0%> (ø)	⬆️

---

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 58e43ab...ab28dd1. Read the comment docs.