language: C++11 (gcc-4.7.2)
date: 341 days 18 hours ago
link:
visibility: public 
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#include<memory>
#include<stdio.h>
#include<map>
#include<set>
#include<string>
using namespace std;
struct StubClass
        {
        weak_ptr<string> b;
        int c;
        friend bool operator==(StubClass x,StubClass y);
        friend bool operator<(StubClass x,StubClass y);
        StubClass(weak_ptr<string> x):b(x){c=5;}        
        };
bool operator==(StubClass d,StubClass c) { return d.b==c.b;}
bool operator<(StubClass d,StubClass c) { return d.b<c.b; }
 
 
int main()
{
shared_ptr<string> spPtr(new string("Hello"));
weak_ptr<string> wpPtr(spPtr);
StubClass hello(wpPtr);
set<StubClass> helloSet;
helloSet.insert(hello);
if(helloSet.find(StubClass(wpPtr))!=helloSet.end()) printf("YAYA");
else puts("Bye");
}