c++11 shim (allows you to use a C++11 compiler with the stdlibc++ without C++11 support ... useful when depending on old libraries).

cpp11shim.h

//
//  cpp11shim.h
//
//  Created by Morten Nobel-Jørgensen on 7/19/13.
//  Copyright (c) 2013 Morten Nobel-Joergensen. All rights reserved.
//

#ifndef __CPP11_SHIM__
#define __CPP11_SHIM__

template <class T>
T&& move (T& arg) noexcept {
    return static_cast<T&&>(arg);
}

// Note: not complete unique_ptr implementation
template <class T>
class unique_ptr{
public:
    unique_ptr():ptr(nullptr){
    }
    
    unique_ptr(T *t):ptr(t){
    }
    
    unique_ptr(unique_ptr&& p):ptr(p.ptr){
        if (this != &p){
            p.ptr = nullptr;
        }
    }
    
    unique_ptr& operator=(unique_ptr&& other){
        if (this != &other){
            ptr = other.ptr;
            other.ptr = nullptr;
        }
    }
    
    unique_ptr(const unique_ptr&) = delete;
    unique_ptr& operator=(const unique_ptr&) = delete;
    
    ~unique_ptr(){
        delete ptr;
    }
    
    T* get(){
        return ptr;
    }
    
    void reset(T *t){
        if (t != ptr){
            T *tmp = ptr;
            ptr = t;
            delete tmp;
        }
    }
private:
    T* ptr;
};

#endif