Up.deps.join: def of ezx@1.13.0.0
Import: import ezx@1.13.0.0/src/lock/up.bend as Up
Lines 807-821 of ezx@1.13.0.0/src/lock/up.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.13.0.0/src/lock/up.bend&start_line=807&end_line=821

import Base

# one dependency in front of the rest. A refusal ahead of the rest wins, so
# the first in ledger order is the one given.
def deps.join(fate: Fate, rest: Deps) -> Deps:
  match fate:
    case Became{d, +old, +new, +prev, m, says, trees}:
      Deps{ds, ss, es, any, sy, tr, asks, bad} = rest
      Deps{d <> ds, swaps.put(String.is_empty(old), old, new, ss),
        swaps.put(String.is_empty(prev), prev, new, es), Bool.or(m, any),
        List.append(&2, String, says, sy), List.append(&2, Laid, trees, tr), asks, bad}
    case Waits{more}:
      Deps{ds, ss, es, any, sy, tr, asks, bad} = rest
      Deps{ds, ss, es, any, sy, tr, List.append(&2, Ask, more, asks), bad}
    case Halts{why}:
      Deps{ds, ss, es, any, sy, tr, asks, _bad} = rest
      Deps{ds, ss, es, any, sy, tr, asks, halt.why(why)}

Uses (11):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.or
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.append
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.is_empty
  https://jend.leeeet.dev/definition.txt?path=ezx@1.13.0.0/src/lock/up.bend&name=Ask
  https://jend.leeeet.dev/definition.txt?path=ezx@1.13.0.0/src/lock/up.bend&name=Deps
  https://jend.leeeet.dev/definition.txt?path=ezx@1.13.0.0/src/lock/up.bend&name=Fate
  https://jend.leeeet.dev/definition.txt?path=ezx@1.13.0.0/src/lock/up.bend&name=Laid
  https://jend.leeeet.dev/definition.txt?path=ezx@1.13.0.0/src/lock/up.bend&name=halt.why
  https://jend.leeeet.dev/definition.txt?path=ezx@1.13.0.0/src/lock/up.bend&name=swaps.put