Basic usage of unique_ptr and custom free of it

#include 

#include 
#include 

#pragma comment(lib, "Shell32.lib")
using namespace std;

class MyClass
{
public:
    MyClass() {
        cout  p1(new MyClass);
        unique_ptr p2 = make_unique();
    }

    {
        int* pI = new int();
        unique_ptr up(pI);
    }

    // array
    {
        unique_ptr p(new char[100]);
        strcpy(p.get(), "Hello World!");
        cout  p(static_cast(malloc(100)), free);
        strcpy(p.get(), "malloc world!");
        cout  file(fopen("myfile.txt","r"),fclose);
        // do something
    }

    // Win32
    {
        int argc;
        unique_ptr
            arg(::CommandLineToArgvW(L"aaa.exe a b \"c d e f\"", &argc), ::LocalFree);
        for(int i=0 ; i