Plan.gone: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/add/plan.bend as Plan
Lines 528-535 of ezx@1.11.0.0/src/add/plan.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/add/plan.bend&start_line=528&end_line=535

import Base
import ezx@1.11.0.0/src/ledger/manifest.bend as M

# the committed tree a re-add moves off: the old hash of a vendored entry
# when the hash moved, it is safe to remove, and nothing left names it
def gone(+old: M.Dep, +hash: String, +left: List<&2, M.Dep>) -> List<&2, String>:
  Bool.pick(List<&2, String>,
    Bool.and(M.source.vendor(M.source.dep(old)),
      Bool.and(Bool.not(String.eq(M.dep.hash(old), hash)),
        Bool.and(safe(M.dep.hash(old)), Bool.not(holds(left, M.dep.hash(old)))))),
    [M.dep.hash(old)], [])

Uses (12):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.not
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.eq
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/add/plan.bend&name=holds
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/add/plan.bend&name=safe
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ledger/manifest.bend&name=Dep
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ledger/manifest.bend&name=dep.hash
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ledger/manifest.bend&name=source.dep
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ledger/manifest.bend&name=source.vendor