https://github.com/jaxonwang/thallium/commit/e7f51e391d05098666ec9123b8bbf9b9f44a2cc7
unique_ptr p{new int[10]{}}; ///!!!
Stupid but need to be carefull enough.
std::make_unique in c++14 is prefered:
make_unique<int[]>(10);
This will make 10 size array of int