+++ /dev/null
-// All the pointer_to_binary_function cases used to fail because g++
-// couldn't handle converting an overloaded function to a class type.
-// The first one should still fail because it requires an implicit conversion
-// to pointer_to_binary_function, which has an `explicit' constructor.
-
-#include <vector>
-#include <algorithm>
-#include <functional>
-
-using namespace std;
-
-template <class T> class Expr
-{
-public :
- Expr(){};
- Expr(const T&){};
-};
-
-template <class T >
-inline bool compare(const Expr<T> a, const Expr<T> b){ return true; };
-
-int main()
-{
- vector<int> a(3);
- sort( a.begin(), a.end(),
- static_cast<bool (*)(const Expr<int>,const Expr<int>)>(compare) );
- sort( a.begin(), a.end(), compare<int> );
- sort<vector<int>::iterator,
- pointer_to_binary_function<const Expr<int>, const Expr<int>, bool> >
- ( a.begin(), a.end(), compare ); // ERROR - constructor is explicit
- sort( a.begin(), a.end(),
- ptr_fun<const Expr<int>, const Expr<int>, bool> (compare) );
- sort( a.begin(), a.end(),
- ptr_fun(compare<int>) );
- sort( a.begin(), a.end(),
- pointer_to_binary_function<const Expr<int>, const Expr<int>, bool>(compare) );
- sort( a.begin(), a.end(),
- pointer_to_binary_function<const Expr<int>, const Expr<int>, bool>(compare<int>) );
- sort( a.begin(), a.end(),
- pointer_to_binary_function<const Expr<int>, const Expr<int>, bool>(compare<>) );
-}