Simple-Look Scope Guard for Visual C++ 2010

// New exception free version of SCOPE_EXIT.

#pragma once

#include <utility>

template <typename D>
class scope_exit_t
{
public:
    explicit scope_exit_t(D &&f) : func(f) {}
    scope_exit_t(scope_exit_t &&s) : func(s.func) {}

    ~scope_exit_t() { func(); }

private:
    // Prohibit construction from lvalues.
    scope_exit_t(D &);

    // Prohibit copying.
    scope_exit_t(const scope_exit_t&) = delete;
    scope_exit_t& operator=(const scope_exit_t&) = delete;

    // Prohibit new/delete.
    void *operator new(size_t);
    void *operator new[](size_t);
    void operator delete(void *);
    void operator delete[](void *);

    const D func;
};

struct scope_exit_helper
{
    template <typename D>
    scope_exit_t<D> operator << (D &&f) {
        return scope_exit_t<D>(std::forward<D>(f));
    }
};

#define SCOPE_EXIT_CAT2(x, y) x##y
#define SCOPE_EXIT_CAT1(x, y) SCOPE_EXIT_CAT2(x, y)
#define SCOPE_EXIT auto SCOPE_EXIT_CAT1(scope_exit_, __COUNTER__) \
    = scope_exit_helper() << [&]