New cpp folder structure

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

libs/base/base.cpp

@@ -0,0 +1,28 @@
+#include "base/base.hpp"
+
+#include "base/assert.hpp"
+#include "base/logging.hpp"
+#include "base/src_point.hpp"
+
+#include <iostream>
+
+namespace base
+{
+bool OnAssertFailedDefault(SrcPoint const & srcPoint, std::string const & msg)
+{
+  auto & logger = LogHelper::Instance();
+
+  std::cerr << '(' << logger.GetThreadID() << ") ASSERT FAILED" << '\n'
+            << srcPoint.FileName() << ':' << srcPoint.Line() << '\n' << msg
+            << std::endl << std::flush;
+  return true;
+}
+
+AssertFailedFn OnAssertFailed = &OnAssertFailedDefault;
+
+AssertFailedFn SetAssertFunction(AssertFailedFn fn)
+{
+  std::swap(OnAssertFailed, fn);
+  return fn;
+}
+}  // namespace base