},
	}
}

func (r *metacacheReader) checkInit() {
	if r.creator == nil || r.err != nil {
		return
	}
	r.err = r.creator()
	r.creator = nil
}

// peek will return the name of the next object.
// Will return io.EOF if there are no more objects.
// Should be used sparingly.
func (r *metacacheReader) peek() (metaCacheEntry, error) {
	r.checkInit()
	if r.err != nil {
		return metaCacheEntry{}, r.err

is zero") checkNot(n.IsOne(), "2 is one") checkNot(n.IsOdd(), "2 is odd") n.SubOne(mFour) checkNot(n.IsMinusOne(mFour), "1 is -1 mod 4") checkNot(n.IsZero(), "1 is zero") checkYes(n.IsOne(), "1 is not one") checkYes(n.IsOdd(), "1 is not odd") n.SubOne(mFour) checkNot(n.IsMinusOne(mFour), "0 is -1 mod 4") checkYes(n.IsZero(), "0 is not zero") checkNot(n.IsOne(), "0 is one") checkNot(n.IsOdd(), "0 is odd") n.SubOne(mFour) checkYes(n.IsMinusOne(mFour), "-1 is not -1 mod 4") checkNot(n.IsZero(), "-1 is...