report our "start/stop" location on a subsequence

[mussa.git] / alg / sequence.cpp

diff --git a/alg/sequence.cpp b/alg/sequence.cpp
index f1c7a7132ab75d6cd0cc12a9ec5974cc764d0d29..0be66593c303e6191a7eea87ddd6272472a11445 100644 (file)
--- a/alg/sequence.cpp
+++ b/alg/sequence.cpp
@@ -653,6 +653,16 @@ bool Sequence::empty() const
   return (seq_count == 0) ? true : false;
 }
 
+Sequence::size_type Sequence::start() const
+{
+  return seq_start;
+}
+
+Sequence::size_type Sequence::stop() const
+{
+  return seq_start + seq_count;
+}
+
 Sequence::size_type Sequence::size() const
 {
   return seq_count;