def req.put
import bend-kit-http@0.38.2.0/http.bend as Httpimport Base
1722def req.put(xs: List<&2, Sigma<&2, &2, String, _ => List<&2, String>>>, m: Map<&2, List<&2, String>>) -> Map<&2, List<&2, String>>:
1723 match xs:
1724 case Nil{}:
1725 m
1726 case (k, vs) <> t:
1727 +lk = String.to_lower(k)
1728 req.put(t, req.put.one(m, lk, vs, req.reserved(lk)))