{ lib }:
let
  removeMask = (
    a:
    if builtins.isString a then builtins.head (lib.strings.splitString "/" a) else removeMask a.Address
  );

  isv6 = (lib.strings.hasInfix ":");
  wrapv6 =
    addr:
    if isv6 addr then
      if lib.hasPrefix "[" addr && lib.hasSuffix "]" addr then addr else "[" + addr + "]"
    else
      addr;
in
{
  inherit
    removeMask
    isv6
    wrapv6
    ;
}