Sigv4.hdrs.low: def of bend-kit-sigv4@0.11.0.1
Import: import bend-kit-sigv4@0.11.0.1/sigv4.bend as Sigv4
Lines 198-203 of bend-kit-sigv4@0.11.0.1/sigv4.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-sigv4@0.11.0.1/sigv4.bend&start_line=198&end_line=203

import Base

def hdrs.low(xs: List<&2, Sigma<&2, &2, String, _ => String>>) -> List<&2, Sigma<&2, &2, String, _ => String>>:
  match xs:
    case Nil{}:
      Nil{}
    case Con{(n, v), t}:
      Con{(String.to_lower(n), squash(String.trim(v), False{})), hdrs.low(t)}

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  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=Base/base.bend&name=String.trim
  https://jend.leeeet.dev/definition.txt?path=bend-kit-sigv4@0.11.0.1/sigv4.bend&name=squash