75 lines
1.4 KiB
C++
75 lines
1.4 KiB
C++
/*
|
|
Copyright 2018 Glen Joseph Fernandes
|
|
(glenjofe@gmail.com)
|
|
|
|
Distributed under the Boost Software License, Version 1.0.
|
|
(http://www.boost.org/LICENSE_1_0.txt)
|
|
*/
|
|
#include <boost/align/aligned_allocator_adaptor.hpp>
|
|
|
|
template<class T>
|
|
class A {
|
|
public:
|
|
typedef T value_type;
|
|
typedef T* pointer;
|
|
typedef std::size_t size_type;
|
|
typedef std::ptrdiff_t difference_type;
|
|
|
|
template<class U>
|
|
struct rebind {
|
|
typedef A<U> other;
|
|
};
|
|
|
|
A(int state)
|
|
: state_(state) { }
|
|
|
|
template<class U>
|
|
A(const A<U>& other)
|
|
: state_(other.state()) { }
|
|
|
|
T* allocate(std::size_t size, const void* = 0) {
|
|
return static_cast<T*>(::operator new(sizeof(T) * size));
|
|
}
|
|
|
|
void deallocate(T* ptr, std::size_t) {
|
|
::operator delete(ptr);
|
|
}
|
|
|
|
int state() const {
|
|
return state_;
|
|
}
|
|
|
|
private:
|
|
int state_;
|
|
};
|
|
|
|
template<class T, class U>
|
|
inline bool
|
|
operator==(const A<T>& a, const A<U>& b)
|
|
{
|
|
return a.state() == b.state();
|
|
}
|
|
|
|
template<class T, class U>
|
|
inline bool
|
|
operator!=(const A<T>& a, const A<U>& b)
|
|
{
|
|
return !(a == b);
|
|
}
|
|
|
|
struct S;
|
|
struct V { };
|
|
|
|
void value_test()
|
|
{
|
|
boost::alignment::aligned_allocator_adaptor<A<S> > a(A<S>(1));
|
|
(void)a;
|
|
}
|
|
|
|
void rebind_test()
|
|
{
|
|
boost::alignment::aligned_allocator_adaptor<A<V> > a(A<V>(1));
|
|
boost::alignment::aligned_allocator_adaptor<A<V> >::rebind<S>::other r(a);
|
|
(void)r;
|
|
}
|