Plan.names.once.put: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/lock/plan.bend as Plan
Lines 1235-1241 of ezx@1.11.0.0/src/lock/plan.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/lock/plan.bend&start_line=1235&end_line=1241

import Base

# a name kept among the ones to ask about when it is not one already kept
def names.once.put(dup: Bool, +nv: String, rest: List<&2, String>) -> List<&2, String>:
  match dup:
    case True{}:
      rest
    case False{}:
      nv <> rest

Uses (3):
  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=String