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extern/stdcxx/4.2.1/examples/manual/replace.cpp

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+/**************************************************************************
+ *
+ * replace.cpp - Example program of replace algorithm 
+ *
+ * $Id: replace.cpp 550991 2007-06-26 23:58:07Z sebor $
+ *
+ ***************************************************************************
+ *
+ * Licensed to the Apache Software  Foundation (ASF) under one or more
+ * contributor  license agreements.  See  the NOTICE  file distributed
+ * with  this  work  for  additional information  regarding  copyright
+ * ownership.   The ASF  licenses this  file to  you under  the Apache
+ * License, Version  2.0 (the  "License"); you may  not use  this file
+ * except in  compliance with the License.   You may obtain  a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the  License is distributed on an  "AS IS" BASIS,
+ * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY  KIND, either  express or
+ * implied.   See  the License  for  the  specific language  governing
+ * permissions and limitations under the License.
+ *
+ * Copyright 1994-2006 Rogue Wave Software.
+ * 
+ **************************************************************************/
+
+#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;
+}