Queue.take.keep: def of bend-kit-scheduler@0.4.1.0
Import: import bend-kit-scheduler@0.4.1.0/queue.bend as Queue
Lines 116-126 of bend-kit-scheduler@0.4.1.0/queue.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-scheduler@0.4.1.0/queue.bend&start_line=116&end_line=126

import Base

# Remove all matching entries and return the first token in one traversal.
def take.keep(-A: Data, b: Bool, t: Ticket<A>, result: Taken<A>) -> Taken<A>:
  match b:
    case True{}:
      match result:
        case Taken{rest, found}:
          Taken{rest, Some{t}}
    case False{}:
      match result:
        case Taken{rest, found}:
          Taken{t <> rest, found}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=bend-kit-scheduler@0.4.1.0/queue.bend&name=Taken
  https://jend.leeeet.dev/definition.txt?path=bend-kit-scheduler@0.4.1.0/queue.bend&name=Ticket