Util.keep_if: def of unified-nsga-iii@0.2.2.0
Import: import unified-nsga-iii@0.2.2.0/util.bend as Util
Lines 73-78 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=73&end_line=78

import Base

def keep_if(-A: Data, +h: A, rest: List<&2, A>, keep: Bool) -> List<&2, A>:
  match keep:
    case True{}:
      h <> rest
    case False{}:
      rest

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List