Rewalk.expensive: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/rules/pedantic/rewalk.bend as Rewalk
Lines 416-418 of bolt@1.27.0.0/src/rules/pedantic/rewalk.bend: https://jend.leeeet.dev/read.txt?path=bolt@1.27.0.0/src/rules/pedantic/rewalk.bend&start_line=416&end_line=418

import Base

# a loop of this file, or a Base walk, and not this def itself
def expensive(+tt: String, +self: String, +lp: List<&2, String>) -> Bool:
  Bool.and(Bool.not(String.eq(tt, self)), Bool.or(heavy(tt), List.contains(~String, ~String.eq, lp, tt)))

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.not
  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.contains
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.eq
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/rules/pedantic/rewalk.bend&name=heavy