Protocol.hdr: def of bendonnect-rpc@0.1.0.0
Import: import bendonnect-rpc@0.1.0.0/src/protocol.bend as Protocol
Lines 139-141 of bendonnect-rpc@0.1.0.0/src/protocol.bend: https://jend.leeeet.dev/read.txt?path=bendonnect-rpc@0.1.0.0/src/protocol.bend&start_line=139&end_line=141

import Base

# First value of a (lowercase) header.
def hdr(+h: Map<&2, List<&2, String>>, +k: String) -> Maybe<&2, String>:
  hdr.of(Map.get(List<&2, String>, Nil{}, h, k))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Map
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Map.get
  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=bendonnect-rpc@0.1.0.0/src/protocol.bend&name=hdr.of