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using namespace std;
using namespace std::tr1;
 
template <typename T1> class Event {
protected:
    vector<function<void(T1)>> functors;
	vector<Event<T1>*> events;
 
public:
	const static int ExpectedFunctorCount = 2;
 
	Event () : functors(), events() {
		functors.reserve( ExpectedFunctorCount );
		events.reserve( ExpectedFunctorCount );
	}
 
	void Add ( void(* func)( T1 ) ) {
		functors.push_back( function<void(T1)>( func ) );
	}
 
	void Add ( function<void( T1 )> func ) {
		functors.push_back( func );
	}
 
	void Invoke ( T1 a1 ) {
		for ( std::size_t f = 0; f < functors.size(); ++f ) {
			functors[f]( a1 );
		}
		for ( std::size_t f = 0; f < events.size(); ++f ) {
			(*events[f])( a1 );
		}
	}
 
	void operator() ( T1 a1 ) {
		Invoke( a1 );
	}
 
	size_t InvocationCount ( ) {
		return events.size( ) + functors.size( );
	}
 
	void RemoveAt ( size_t index ) {
 
	}
 
};
 
template <> class Event<void> {
protected:
	std::vector<function<void(void)>> functors;
	std::vector<Event<void>*> events;
 
public:
	const static int ExpectedFunctorCount = 2;
 
	Event () : functors(), events() {
		functors.reserve( ExpectedFunctorCount );
		events.reserve( ExpectedFunctorCount );
	}
 
	void Add ( void(* func)( void ) ) {
		functors.push_back( function<void(void)>( func ) );
	}
 
	void Add ( function<void( void )> func ) {
		functors.push_back( func );
	}
 
	void Invoke ( void ) {
		for ( size_t f = 0; f < functors.size(); ++f ) {
			functors[f]( );
		}
		for ( size_t f = 0; f < events.size(); ++f ) {
			(*events[f])( );
		}
	}
 
	void operator() ( void ) {
		Invoke( );
	}
 
	size_t InvocationCount ( ) {
		return events.size( ) + functors.size( );
	}
 
	void RemoveAt ( size_t index ) {
 
	}
 
};
 
void VoidTest () {
	cout << "INTO THE VOID" << endl;
}
 
void IntTest ( int num ) {
	cout << "Got myself a " << num << " !" << endl;
}
 
int main ( int argc, char* argv[] ) {
 
	Event<void> VoidEv;
	Event<int> IntEv;
 
	IntEv.Add( IntTest );
	IntEv( 20 );
 
	return 0;
}

prog.cpp:2:22: error: 'tr1' is not a namespace-name
prog.cpp:2:25: error: expected namespace-name before ';' token
prog.cpp:6:5: error: 'vector' does not name a type
prog.cpp:7:2: error: 'vector' does not name a type
prog.cpp:21:13: error: 'function' has not been declared
prog.cpp:21:21: error: expected ',' or '...' before '<' token
prog.cpp:38:2: error: 'size_t' does not name a type
prog.cpp:42:18: error: 'size_t' has not been declared
prog.cpp: In constructor 'Event<T1>::Event()':
prog.cpp:12:13: error: class 'Event<T1>' does not have any field named 'functors'
prog.cpp:12:25: error: class 'Event<T1>' does not have any field named 'events'
prog.cpp:13:3: error: 'functors' was not declared in this scope
prog.cpp:14:3: error: 'events' was not declared in this scope
prog.cpp: In member function 'void Event<T1>::Add(void (*)(T1))':
prog.cpp:18:3: error: 'functors' was not declared in this scope
prog.cpp:18:23: error: 'function' was not declared in this scope
prog.cpp:18:32: error: expected primary-expression before 'void'
prog.cpp: In member function 'void Event<T1>::Add(int)':
prog.cpp:22:3: error: 'functors' was not declared in this scope
prog.cpp:22:23: error: 'func' was not declared in this scope
prog.cpp: In member function 'void Event<T1>::Invoke(T1)':
prog.cpp:26:9: error: 'size_t' is not a member of 'std'
prog.cpp:26:21: error: expected ';' before 'f'
prog.cpp:26:28: error: 'f' was not declared in this scope
prog.cpp:26:32: error: 'functors' was not declared in this scope
prog.cpp:29:9: error: 'size_t' is not a member of 'std'
prog.cpp:29:21: error: expected ';' before 'f'
prog.cpp:29:28: error: 'f' was not declared in this scope
prog.cpp:29:32: error: 'events' was not declared in this scope
prog.cpp: At global scope:
prog.cpp:50:2: error: 'vector' in namespace 'std' does not name a type
prog.cpp:51:2: error: 'vector' in namespace 'std' does not name a type
prog.cpp:65:13: error: 'function' has not been declared
prog.cpp:65:21: error: expected ',' or '...' before '<' token
prog.cpp:82:2: error: 'size_t' does not name a type
prog.cpp:86:18: error: 'size_t' has not been declared
prog.cpp: In constructor 'Event<void>::Event()':
prog.cpp:56:13: error: class 'Event<void>' does not have any field named 'functors'
prog.cpp:56:25: error: class 'Event<void>' does not have any field named 'events'
prog.cpp:57:3: error: 'functors' was not declared in this scope
prog.cpp:58:3: error: 'events' was not declared in this scope
prog.cpp: In member function 'void Event<void>::Add(void (*)())':
prog.cpp:62:3: error: 'functors' was not declared in this scope
prog.cpp:62:23: error: 'function' was not declared in this scope
prog.cpp:62:32: error: expected primary-expression before 'void'
prog.cpp: In member function 'void Event<void>::Add(int)':
prog.cpp:66:3: error: 'functors' was not declared in this scope
prog.cpp:66:23: error: 'func' was not declared in this scope
prog.cpp: In member function 'void Event<void>::Invoke()':
prog.cpp:70:9: error: 'size_t' was not declared in this scope
prog.cpp:70:16: error: expected ';' before 'f'
prog.cpp:70:23: error: 'f' was not declared in this scope
prog.cpp:70:27: error: 'functors' was not declared in this scope
prog.cpp:73:16: error: expected ';' before 'f'
prog.cpp:73:23: error: 'f' was not declared in this scope
prog.cpp:73:27: error: 'events' was not declared in this scope
prog.cpp: In function 'void VoidTest()':
prog.cpp:93:2: error: 'cout' was not declared in this scope
prog.cpp:93:29: error: 'endl' was not declared in this scope
prog.cpp: In function 'void IntTest(int)':
prog.cpp:97:2: error: 'cout' was not declared in this scope
prog.cpp:97:44: error: 'endl' was not declared in this scope

Standard output is empty