Hairpin.target: def of bend-kit-hairpin@0.14.0.0
Import: import bend-kit-hairpin@0.14.0.0/hairpin.bend as Hairpin
Lines 111-113 of bend-kit-hairpin@0.14.0.0/hairpin.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-hairpin@0.14.0.0/hairpin.bend&start_line=111&end_line=113

import Base

# ref against the base (RFC 3986 §5.2); with no base, ref as given. None when the base is not absolute.
def target(+b: String, ref: String) -> Maybe<&2, String>:
  target.pick(String.is_empty(b), b, ref)

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.is_empty
  https://jend.leeeet.dev/definition.txt?path=bend-kit-hairpin@0.14.0.0/hairpin.bend&name=target.pick