template function to print elements of an STL container : template function « template « C++ Tutorial






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  3. template function
/* 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 <iostream>

// print elements of an STL container
template <typename T>
void printcoll (T const& coll)
{
    typename T::const_iterator pos;  // iterator to iterate over coll
    typename T::const_iterator end(coll.end());  // end position

    for (pos=coll.begin(); pos!=end; ++pos) {
        std::cout << *pos << ' ';
    }
    std::cout << std::endl;
}


#include <vector>


int main()
{
    std::vector<int> v;

    v.push_back(42);
    v.push_back(13);
    v.push_back(7);
    printcoll(v);
}

42 13 7




13.2.template function
13.2.1.function template: GetMax
13.2.2.Function template: swapargs
13.2.3.template type
13.2.4.Using standard parameters in a template function
13.2.5.Overload a function template declaration
13.2.6.Function with generic parameters
13.2.7.template function to display the number limits
13.2.8.Overload template function
13.2.9.Specify template argument explicitly and implicitly
13.2.10.Namespace with template function
13.2.11.reference and non-reference template function
13.2.12.template function to print elements of an STL container
13.2.13.template function to get the maximum of three values of any type (call-by-reference)
13.2.14.template function to get the maximum of two values