} {
		i, ok := new(Int).SetString(test.istr, 0)
		if !ok {
			t.Errorf("SetString(%s) failed", test.istr)
			continue
		}

		// Test against expectation.
		f, acc := i.Float64()
		if f != test.f || acc != test.acc {
			t.Errorf("%s: got %f (%s); want %f (%s)", test.istr, f, acc, test.f, test.acc)
		}

		//
		// Invariant: sub[start:i] consists of regexps that all begin
		// with str as modified by strflags.
		var istr []rune
		var iflags Flags
		if i < len(sub) {
			istr, iflags = p.leadingString(sub[i])
			if iflags == strflags {
				same := 0
				for same < len(str) && same < len(istr) && str[same] == istr[same] {
					same++
				}
				if same > 0 {
					// Matches at least one rune in current range.

}

func (ss SortableSliceOfMaps) Len() int {
	return len(ss.s)
}

func (ss SortableSliceOfMaps) Less(i, j int) bool {
	iStr := fmt.Sprintf("%v", ss.s[i][ss.k])
	jStr := fmt.Sprintf("%v", ss.s[j][ss.k])
	return sort.StringsAreSorted([]string{iStr, jStr})
}

func (ss SortableSliceOfMaps) Swap(i, j int) {
	tmp := ss.s[i]
	ss.s[i] = ss.s[j]
	ss.s[j] = tmp
}