replace.cpp

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#include <rw/_config.h>
 
#if defined (__IBMCPP__) && !defined (_RWSTD_NO_IMPLICIT_INCLUSION)
// Disable implicit inclusion to work around 
// a limitation in IBM's VisualAge 5.0.2.0 (see PR#26959) 
 
#  define _RWSTD_NO_IMPLICIT_INCLUSION 
#endif
 
#include <algorithm>    // for replace, replace_if, replace_copy, ...
#include <vector>       // for vector
#include <iterator>     // for ostream_iterator
#include <functional>   // for not1, unary_function
#include <iostream>     // for cout, endl
 
#include <examples.h>
#include <replace.h>
 
 
int main ()
{
    typedef std::vector<short, std::allocator<short> >                  Vector;
    typedef std::ostream_iterator<short, char, std::char_traits<char> > Iter;
 
    // Populate a vector with arbitrary values.
    Vector v;
    for (Vector::value_type n = 11111; n != 11211; ++n)
        v.push_back (n);
 
    // Print out original vector.
    std::cout << "Original sequence:\n    ";
    std::copy (v.begin (), v.end (), Iter (std::cout, " "));
    std::cout << std::endl << std::endl;
 
    // Replace one number with another.
    std::replace (v.begin (), v.end (), 11199, 11211);
 
    // Print out the new vector.
    std::cout << "Sequence after replace:\n    ";
    std::copy (v.begin (), v.end (), Iter (std::cout, " "));
    std::cout << std::endl << std::endl;
 
    // Replace all numbers that aren't primes with zeros.
    std::replace_if (v.begin (), v.end (), std::not1 (is_prime ()), 0);
 
    // Print out the remaining vector.
    std::cout << "After replace_if:\n    ";
    std::copy (v.begin (), v.end (), Iter (std::cout, " "));
    std::cout << std::endl << std::endl;
 
    // Replace zeros with ones.
    std::cout << "Sequence replace_copy-ed to cout:\n    ";
    std::replace_copy (v.begin (), v.end (), Iter (std::cout, " "), 0, 1);
    std::cout << std::endl << std::endl;
 
    // A simple example of replace_copy_if.
    std::cout << "Sequence replace_copy_if-ed to cout:\n    ";
    std::replace_copy_if (v.begin (), v.end (), Iter (std::cout, ""),
                          is_prime (), 1);
    std::cout << std::endl;
 
    return 0;
}