Function add_char_string

pub unsafe fn add_char_string(
    lhs: impl CastInto<Ptr<c_char>>,
    rhs: impl CastInto<Ref<String>>,
) -> CppBox<String>

Calls C++ function: std::basic_string<char, std::char_traits<char>, std::allocator<char>> std::operator+(const char* __lhs, const std::basic_string<char, std::char_traits<char>, std::allocator<char>>& __rhs).