Router.unique: def of bend-kit-router@0.2.0.0
Import: import bend-kit-router@0.2.0.0/router.bend as Router
Lines 244-249 of bend-kit-router@0.2.0.0/router.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-router@0.2.0.0/router.bend&start_line=244&end_line=249

import Base

def unique(xs: List<&2, String>, prev: String, +acc: List<&2, String>) -> List<&2, String>:
  match xs:
    case Nil{}:
      List.reverse(&2, String, acc)
    case +h <> t:
      unique(t, h, Bool.pick(List<&2, String>, String.eq(h, prev), acc, h <> acc))

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=List.reverse
  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