// now also takes a map as single array entry

static <A> A optPar_ignoreOddLength(O[] opt, S name, A defaultValue) {

  int n = l(opt);

  if (n == 1 && opt[0] instanceof Map) {

    Map map = cast opt[0];

    ret map.containsKey(name) ? (A) map.get(name) : defaultValue;

  }

  for (int i = 0; i+1 < l(opt); i += 2)

    if (eq(opt[i], name))

      ret (A) opt[i+1];

  ret defaultValue;

}

sO optPar_ignoreOddLength(O[] opt, S name) {

  ret optPar_ignoreOddLength(opt, name, null);

}

sO mapMethodLike optPar_ignoreOddLength(S name, O[] params) {

  ret optPar_ignoreOddLength(params, name);

}