Plan.stated.step: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/init/plan.bend as Plan
Lines 72-82 of ezx@1.11.0.0/src/init/plan.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/init/plan.bend&start_line=72&end_line=82

import Base

# one step of a scan that is looking for one hit, with the head's answer in
# hand. `Bool.or` is an ordinary function and reduces both of its sides, so a
# scan written with it reads the whole list even when the first line answers.
# The rest of the scan arrives as a thunk and only the arm that wants it
# applies it.
def stated.step(here: Bool, rest: Unit -> Bool) -> Bool:
  match here:
    case True{}:
      True{}
    case False{}:
      rest(Unit{})

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit