Survival.select_st.constrained.feas: def of unified-nsga-iii@0.2.2.0
Import: import unified-nsga-iii@0.2.2.0/survival.bend as Survival
Lines 1229-1234 of unified-nsga-iii@0.2.2.0/survival.bend: https://jend.leeeet.dev/read.txt?path=unified-nsga-iii@0.2.2.0/survival.bend&start_line=1229&end_line=1234

import Base
import unified-nsga-iii@0.2.2.0/individual.bend as Ind
import unified-nsga-iii@0.2.2.0/normalization.bend as Norm
import unified-nsga-iii@0.2.2.0/rng.bend as Rng

def select_st.constrained.feas(feas: List<&2, Ind.Individual>, +rows: List<&2, CvRow>, +target: Nat, +dirs: List<&2, List<&2, F32>>, state: Norm.State, rng: Rng.State) -> Norm.State & List<&2, Ind.Individual> & Rng.State:
  match feas:
    case Nil{}:
      (state, take_clear(rows, target), rng)
    case h <> t:
      select_st.constrained.kept(rows, target, feas_keep.st(h <> t, target, dirs, state, rng))

Uses (12):
  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=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/individual.bend&name=Individual
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/normalization.bend&name=State
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/rng.bend&name=State
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/survival.bend&name=CvRow
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/survival.bend&name=feas_keep.st
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/survival.bend&name=select_st.constrained.kept
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/survival.bend&name=take_clear