alloc_first.h revision bc8d3f97eb5c958007f2713238472e0c1c8fe02c 
1#ifndef ALLOC_FIRST_H
2#define ALLOC_FIRST_H
3
4#include <cassert>
5
6#include "allocators.h"
7
8struct alloc_first
9{
10    static bool allocator_constructed;
11
12    typedef A1<int> allocator_type;
13
14    int data_;
15
16    alloc_first() : data_(0) {}
17    alloc_first(int d) : data_(d) {}
18    alloc_first(std::allocator_arg_t, const A1<int>& a)
19        : data_(0)
20    {
21        assert(a.id() == 5);
22        allocator_constructed = true;
23    }
24
25    alloc_first(std::allocator_arg_t, const A1<int>& a, int d)
26        : data_(d)
27    {
28        assert(a.id() == 5);
29        allocator_constructed = true;
30    }
31
32    alloc_first(std::allocator_arg_t, const A1<int>& a, const alloc_first& d)
33        : data_(d.data_)
34    {
35        assert(a.id() == 5);
36        allocator_constructed = true;
37    }
38
39    ~alloc_first() {data_ = -1;}
40
41    friend bool operator==(const alloc_first& x, const alloc_first& y)
42        {return x.data_ == y.data_;}
43    friend bool operator< (const alloc_first& x, const alloc_first& y)
44        {return x.data_ < y.data_;}
45};
46
47bool alloc_first::allocator_constructed = false;
48
49#endif
50