test/cpp/test_const_arg.cpp

#include <iostream>

void f ( int& i )
{
	std::cout << "int" << std::endl;
}

void f ( const int& i )
{
	std::cout << "const int" << std::endl;
}

#if 0
void f ( volatile int& i )
{
	std::cout << "volatile int" << std::endl;
}

void f ( const volatile int& i )
{
	std::cout << "const volatile int" << std::endl;
}
#endif

int g ( )
{
	int i = 2;
	return i;
}

int main( void )
{
#if 0
	const volatile int cvi = 1;
	f( cvi );

	volatile int vi = 1;
	f( vi );
#endif
	
	const int ci = 1;
	f( ci );

	int i = 1;
	f( i );

	f( g() );

	return 0;
}