Sigv4.names: def of bend-kit-sigv4@0.11.0.1
Import: import bend-kit-sigv4@0.11.0.1/sigv4.bend as Sigv4
Lines 234-239 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=234&end_line=239

import Base

def names(xs: List<&2, Sigma<&2, &2, String, _ => String>>) -> List<&2, String>:
  match xs:
    case Nil{}:
      Nil{}
    case Con{(n, v), t}:
      Con{n, names(t)}

Uses (3):
  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