Finds the first feature specified by 'key' starting from position 'start' in the feature table (the feature table can be obtained by calling readLineType with the two-character code "FT").
The feature table.
Position in feature table where search begins.
The target container that will be filled.
The key word specifying the feature to be read, e.g. "mRNA" or "CDS".
SeqAn - Sequence Analysis Library - www.seqan.de