Builds a q-gram index on a sequence.
The q-gram index.
The resulting list in which all q-grams are sorted alphabetically.
The resulting array that indicates at which position in index the corresponding q-grams can be found.
The shape to be used.
Index contains the sorted list of qgrams. For each q-gram
dir contains the first position in index that corresponds to this q-gram.
SeqAn - Sequence Analysis Library - www.seqan.de