language: C++11 (gcc-4.7.2)
date: 348 days 21 hours ago
link:
visibility: public 
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#include <functional>
 
void foo(double){}
 
struct foo_functor{
  void operator()(float) const{}
};
 
int main(){
  std::function<void(int)> f1(foo), f2((foo_functor()));
  f1(5);
  f2(6);
}