1 files changed, 19 insertions, 0 deletions
diff --git a/lang/cpptour/abstract.cc b/lang/cpptour/abstract.cc
new file mode 100644
index 0000000..f747a37
--- /dev/null
+++ b/lang/cpptour/abstract.cc
@@ -0,0 +1,19 @@
+Vector_container:Vector_container (int s) : v (s)
+{
+}
+
+Vector_container:~Vector_container ()
+{
+}
+
+double&
+Vector_container:operator[] (int i)
+{
+  return v[i];
+}
+
+int
+size () const
+{
+  return v.size ();
+}