Util.g12_vec.go: def of unified-nsga-iii@0.2.2.0
Import: import unified-nsga-iii@0.2.2.0/util.bend as Util
Lines 333-341 of unified-nsga-iii@0.2.2.0/util.bend: https://jend.leeeet.dev/read.txt?path=unified-nsga-iii@0.2.2.0/util.bend&start_line=333&end_line=341

import Base

# Sequential cons walk (guide: the list is the shape a flat loop walks).
# n_var is 12–30 on the oracles; mid-split take/drop of that spine is
# more expensive than a tail walk. Same rounding as the old map_halves.
def g12_vec.go(xs: List<&2, F32>, acc: List<&2, F32>) -> List<&2, F32>:
  match xs:
    case Nil{}:
      List.reverse(&2, F32, acc)
    case +x <> rest:
      g12_vec.go(rest, g12_one(x) <> acc)

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.reverse
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/util.bend&name=g12_one