Survival.select_st.large: def of unified-nsga-iii@0.2.2.0
Import: import unified-nsga-iii@0.2.2.0/survival.bend as Survival
Lines 1256-1265 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=1256&end_line=1265

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

# Persistent-normalization Select for Unsga3Algorithm.Run. Threads rng
# so last-front niching matches C# Select(..., rng) on min-count niche
# ties. Empty niches take closest; extras are random among near-best
# on that ray. v0 `select` stays the `rng == null` path (empty laws).
def select_st.large(+pop: List<&2, Ind.Individual>, +target: Nat, +dirs: List<&2, List<&2, F32>>, state: Norm.State, rng: Rng.State, bad: Bool) -> Norm.State & List<&2, Ind.Individual> & Rng.State:
  match bad:
    case False{}:
      select_st.dirs(pop, target, dirs, state, rng, List.is_empty(&2, List<&2, F32>, dirs))
    case True{}:
      select_st.constrained(pop, target, dirs, state, rng)

Uses (11):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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.is_empty
  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=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=select_st.constrained
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/survival.bend&name=select_st.dirs