Omap.OSet: def of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/omap.bend as Omap
Lines 228-229 of bend-kit-collections@0.1.4.1/omap.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-collections@0.1.4.1/omap.bend&start_line=228&end_line=229

import Base

def OSet(-K: Data) -> Data:
  OMap<K, Unit>

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/omap.bend&name=OMap