Plan.unseen: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/lint/plan.bend as Plan
Lines 184-191 of bolt@1.27.0.0/src/lint/plan.bend: https://jend.leeeet.dev/read.txt?path=bolt@1.27.0.0/src/lint/plan.bend&start_line=184&end_line=191

import Base
import bolt@1.27.0.0/src/rules/imports.bend as Imports

# the paths that resolve to none of the paths seen
def unseen(ps: List<&2, String>, +cwd: String, +seen: List<&2, String>) -> List<&2, String>:
  match ps:
    case Nil{}:
      Nil{}
    case Con{+p, rest}:
      +more = unseen(rest, cwd, seen)
      Bool.pick(List<&2, String>, Imports.has(seen, abs(cwd, p)), more, p <> more)

Uses (5):
  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=bolt@1.27.0.0/src/lint/plan.bend&name=abs
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/rules/imports.bend&name=has