/* The following code example is taken from the book
* "C++ Templates - The Complete Guide"
* by David Vandevoorde and Nicolai M. Josuttis, Addison-Wesley, 2002
*
* (C) Copyright David Vandevoorde and Nicolai M. Josuttis 2002.
* Permission to copy, use, modify, sell and distribute this software
* is granted provided this copyright notice appears in all copies.
* This software is provided "as is" without express or implied
* warranty, and with no claim as to its suitability for any purpose.
*/
#include
using namespace std;
template
T addValue (T const& x)
{
return x + VAL;
}
void call_addValue()
{
addValue(42);
}
template
void transform (IT beg, IT end, IT to, OP op)
{
while (beg != end) {
*to++ = op(*beg++);
}
}
int main()
{
call_addValue();
int m[] = { 1, 2, 3, 4, 5, 6 };
transform (m, m+6,
m,
(int(*)(int const&)) // cast necessary
addValue);
for(int i=0;i<6;i++){
cout << m[i] << " ";
}
}
/*
6 7 8 9 10 11
*/