g.cleanUpFns = append(g.cleanUpFns, fns...)
	return g
}

// NewGetObjectReaderFromReader sets up a GetObjectReader with a given
// reader. This ignores any object properties.
func NewGetObjectReaderFromReader(r io.Reader, oi ObjectInfo, opts ObjectOptions, cleanupFns ...func()) (*GetObjectReader, error) {
	if opts.CheckPrecondFn != nil && opts.CheckPrecondFn(oi) {
		// Call the cleanup funcs

		invalid = false
		b = append(b, s[i:i+wid]...)
		i += wid
	}
	return b
}

// isSeparator reports whether the rune could mark a word boundary.
// TODO: update when package unicode captures more of the properties.
func isSeparator(r rune) bool {
	// ASCII alphanumerics and underscore are not separators
	if r <= 0x7F {
		switch {
		case '0' <= r && r <= '9':
			return false
		case 'a' <= r && r <= 'z':

//
// An uncompacted branch contains a count of the files only directly at the
// branch level, and contains link to children branches or leaves.
//
// The leaves are "compacted" based on a number of properties.
// A compacted leaf contains the totals of all files beneath it.
//
// A leaf is only scanned once every dataUsageUpdateDirCycles,
// rarer if the bloom filter for the path is clean and no lifecycles are applied.