draw alignment lines

[mussa.git] / alg / sequence.cpp

diff --git a/alg/sequence.cpp b/alg/sequence.cpp
index 26215a4d428f15e15657847013f7a3f8ffa0a2b0..d7bf864bb984fc8abe712ed11d582a62d37b8896 100644 (file)
--- a/alg/sequence.cpp
+++ b/alg/sequence.cpp
@@ -83,6 +83,11 @@ Sequence &Sequence::operator=(const std::string& s)
   return *this;
 }
 
+char Sequence::operator[](int index) const
+{
+  return sequence[index];
+}
+
 ostream& operator<<(ostream& out, const Sequence& seq)
 {
   out << "Sequence(" << seq.get_seq() << ")";