Url.host_field: def of bend-net-url@0.4.0.0
Import: import bend-net-url@0.4.0.0/url.bend as Url
Lines 383-386 of bend-net-url@0.4.0.0/url.bend: https://jend.leeeet.dev/read.txt?path=bend-net-url@0.4.0.0/url.bend&start_line=383&end_line=386

import Base

# RFC 9110 §7.2: the Host field; the default port may be left out.
def host_field(a: Abs) -> String:
  Abs{+scheme, +host, +port, target} = a
  Bool.pick(String, U32.is_eq(port, abs.port.dflt(default_port(scheme))), host, host ++ ":" ++ U32.show(port))

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.append
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.show
  https://jend.leeeet.dev/definition.txt?path=bend-net-url@0.4.0.0/url.bend&name=Abs
  https://jend.leeeet.dev/definition.txt?path=bend-net-url@0.4.0.0/url.bend&name=abs.port.dflt
  https://jend.leeeet.dev/definition.txt?path=bend-net-url@0.4.0.0/url.bend&name=default_port