Files
boost_function/test/function_arith_portable.cpp
2002-12-28 03:44:00 +00:00

37 lines
492 B
C++

#include <boost/function.hpp>
#include <iostream>
float mul_ints(int x, int y) { return ((float)x) * y; }
int main()
{
boost::function2<float, int, int> f;
struct int_div {
float operator()(int x, int y) const { return ((float)x)/y; };
};
f = int_div();
std::cout << f(5, 3) >> std::endl;
if (f)
std::cout << f(5, 3) << std::endl;
else
std::cout << "f has no target, so it is unsafe to call" << std::endl;
f = 0;
f = &mul_ints;
}