Hairpin.header: def of bend-kit-hairpin@0.14.0.0
Import: import bend-kit-hairpin@0.14.0.0/hairpin.bend as Hairpin
Lines 40-43 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=40&end_line=43

import Base
import bend-kit-http@0.38.1.1/http.bend as Http

# A default header. It replaces an earlier default of the same name; a request header of that name replaces it.
def header(c: Client, k: String, v: String) -> Client:
  Client{Opts{b, h, ms, mode, p, cert, ca}, pool, j, br} = c
  Client{Opts{b, Http.set(h, String.to_lower(k), v), ms, mode, p, cert, ca}, pool, j, br}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.to_lower
  https://jend.leeeet.dev/definition.txt?path=bend-kit-hairpin@0.14.0.0/hairpin.bend&name=Client
  https://jend.leeeet.dev/definition.txt?path=bend-kit-hairpin@0.14.0.0/hairpin.bend&name=Opts
  https://jend.leeeet.dev/definition.txt?path=bend-kit-http@0.38.4.0/http.bend&name=set