small refactoring

4 jobs for 337-node-phylo-export-the-phylo-in-json-and-dot-format in 176 minutes and 6 seconds (queued for 4 seconds)
latest
Status Job ID Name Coverage
  Cabal
passed #13031
cabal

01:30:29

 
  Stack
passed #13032
stack

00:03:47

 
  Bench
manual #13033
allowed to fail manual
bench
 
  Test
passed #13034
test

01:21:49