New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/routing/base/small_list.cpp

@@ -0,0 +1,27 @@
+#include "small_list.hpp"
+
+#include "base/logging.hpp"
+
+namespace routing
+{
+namespace impl
+{
+
+std::map<char const *, Statistics::Info> Statistics::s_map;
+
+void Statistics::Add(char const * name, size_t val)
+{
+  auto & e = s_map[name];
+  ++e.m_count;
+  e.m_sum += val;
+  e.m_max = std::max(val, e.m_max);
+}
+
+void Statistics::Dump()
+{
+  for (auto const & e : s_map)
+    LOG(LINFO, (e.first, ": count = ", e.second.m_count, "; max = ", e.second.m_max, "; avg = ", e.second.m_sum / double(e.second.m_count)));
+}
+
+} // namespace impl
+} // namesapce routing