World.listing.swap: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/lock/world.bend as World
Lines 507-512 of ezx@1.11.0.0/src/lock/world.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/lock/world.bend&start_line=507&end_line=512

import Base
import ezx@1.11.0.0/src/ledger/upgrade.bend as U

def listing.swap(+ss: List<&2, U.Swap>, listing: Listing) -> Listing:
  match listing:
    case Listed{fs}:
      Listed{sources.swap(ss, fs)}
    case Unlisted{why}:
      Unlisted{why}

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ledger/upgrade.bend&name=Swap
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/lock/world.bend&name=Listing
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/lock/world.bend&name=sources.swap