+
+func (taglib *tagLibrary) Tags() [][]byte {
+ out := make([][]byte, len(taglib.tagmap))
+ untwobit := []byte{'a', 'c', 'g', 't'}
+ for key, info := range taglib.tagmap {
+ seq := make([]byte, taglib.keylen)
+ for i := len(seq) - 1; i >= 0; i-- {
+ seq[i] = untwobit[int(key)&3]
+ key = key >> 2
+ }
+ out[int(info.id)] = seq
+ }
+ return out
+}