Http.fields.or: def of emerging-ezhttp@0.21.0.0
Import: import emerging-ezhttp@0.21.0.0/src/http.bend as Http
Lines 616-623 of emerging-ezhttp@0.21.0.0/src/http.bend: https://jend.leeeet.dev/read.txt?path=emerging-ezhttp@0.21.0.0/src/http.bend&start_line=616&end_line=623

import Base

# the caller's fields of a name, or the default when it gave none
def fields.or(given: List<&2, Header>, dflt: List<&2, Header>)
  -> List<&2, Header>:
  match given:
    case []:
      dflt
    case h <> t:
      h <> t

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=emerging-ezhttp@0.21.0.0/src/http.bend&name=Header