Release

[SVN r43921]

call_traits.htm

@@ -740,26 +740,16 @@ specialisation).</p>
 
 <p>Revised 01 September 2000</p>
 
-<p><EFBFBD> Copyright boost.org 2000. Permission to copy, use, modify,
+   <p>
-sell and distribute this document is granted provided this
+      Copyright 2000 Steve Cleary, Beman Dawes, Howard
-copyright notice appears in all copies. This document is provided
+      Hinnant and John Maddock. <br/>
-&quot;as is&quot; without express or implied warranty, and with
+      Use, modification and distribution are subject to the
-no claim as to its suitability for any purpose.</p>
+      Boost Software License, Version 1.0.
-
+      (See accompanying file LICENSE_1_0.txt
-<p>Based on contributions by Steve Cleary, Beman Dawes, Howard
+      or copy at <a href="http://www.boost.org/LICENSE_1_0.txt">
-Hinnant and John Maddock.</p>
+         http://www.boost.org/LICENSE_1_0.txt
-
+      </a>).
-<p>Maintained by <a href="mailto:john@johnmaddock.co.uk">John
+   </p>
-Maddock</a>, the latest version of this file can be found at <a
-href="http://www.boost.org/">www.boost.org</a>, and the boost
-discussion list at <a
-href="http://www.yahoogroups.com/list/boost">www.yahoogroups.com/list/boost</a>.</p>
-
-<p>.</p>
-
-<p>&nbsp;</p>
-
-<p>&nbsp;</p>
 </body>
 </html>
 

enable_if.html

@@ -366,17 +366,18 @@ David Vandevoorde and Nicolai M. Josuttis.
 <EM>C++ Templates: The Complete Guide</EM>.
 Addison-Wesley, 2002.</DL>
 
-
+<hr/>
-
+   <p>Copyright Jaakko J&auml;rvi, Jeremiah Willcock and Andrew Lumsdaine<BR>
-
-
-<hr></hr>
-
-<B>Contributed by:</B> <BR>
-Jaakko J&auml;rvi, Jeremiah Willcock and Andrew Lumsdaine<BR>
 <EM>{jajarvi|jewillco|lums}@osl.iu.edu</EM><BR>
 Indiana University<BR>
-Open Systems Lab
+Open Systems Lab<br/>
+Use, modification and distribution are subject to the
+Boost Software License, Version 1.0.
+(See accompanying file LICENSE_1_0.txt
+or copy at <a href="http://www.boost.org/LICENSE_1_0.txt">
+   http://www.boost.org/LICENSE_1_0.txt
+</a>).
+</p>
 <!--HTMLFOOT-->
 <!--ENDHTML-->
 <!--FOOTER-->

include/boost/utility/result_of.hpp

@@ -10,10 +10,9 @@
 #define BOOST_RESULT_OF_HPP
 
 #include <boost/config.hpp>
-#include <boost/preprocessor/iteration/iterate.hpp> 
+#include <boost/type_traits/ice.hpp>
-#include <boost/preprocessor/punctuation/comma_if.hpp> 
+#include <boost/type.hpp>
-#include <boost/preprocessor/repetition/enum_params.hpp> 
+#include <boost/preprocessor.hpp>
-#include <boost/preprocessor/repetition/enum_shifted_params.hpp> 
 #include <boost/detail/workaround.hpp>
 #include <boost/mpl/has_xxx.hpp>
 #include <boost/mpl/if.hpp>

include/boost/utility/value_init.hpp

@@ -1,20 +1,31 @@
-// (C) Copyright 2002-2008, Fernando Luis Cacciola Carballal.
+// (C) Copyright 2002-2007, Fernando Luis Cacciola Carballal.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt)
 //
 // 21 Ago 2002 (Created) Fernando Cacciola
-// 30 Jan 2008 (Worked around compiler bugs, added initialized_value) Fernando Cacciola, Niels Dekker
+// 24 Dec 2007 (Refactored and worked around various compiler bugs) Fernando Cacciola, Niels Dekker
 //
 #ifndef BOOST_UTILITY_VALUE_INIT_21AGO2002_HPP
 #define BOOST_UTILITY_VALUE_INIT_21AGO2002_HPP
 
 // Note: The implementation of boost::value_initialized had to deal with the
-// fact that various compilers haven't fully implemented value-initialization.
+// fact that various compilers haven't fully implemented value-initialization:
-// The constructor of boost::value_initialized<T> works around these compiler
+// Microsoft Feedback ID 100744 - Value-initialization in new-expression
-// issues, by clearing the bytes of T, before constructing the T object it
+// Reported by Pavel Kuznetsov (MetaCommunications Engineering), 2005-07-28
-// contains. More details on these issues are at libs/utility/value_init.htm
+// https://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=100744
+// GCC Bug 30111 - Value-initialization of POD base class doesn't initialize members
+// Reported by Jonathan Wakely, 2006-12-07 
+// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30111
+// GCC Bug 33916 - Default constructor fails to initialize array members
+// Reported by Michael Elizabeth Chastain, 2007-10-26
+// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33916
+// Borland Report 51854 - Value-initialization: POD struct should be zero-initialized
+// Reported by Niels Dekker (LKEB, Leiden University Medical Center), 2007-11-09
+// http://qc.codegear.com/wc/qcmain.aspx?d=51854
+// The constructor of boost::value_initialized<T> works around these issues, by
+// clearing the bytes of T, before constructing the T object it contains. 
 
 #include <boost/aligned_storage.hpp>
 #include <boost/detail/workaround.hpp>
@@ -37,32 +48,23 @@ class value_initialized
       remove_const<T>::type data;
     };
 
-    mutable
+    mutable aligned_storage<sizeof(wrapper), alignment_of<wrapper>::value> x;
-#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x592))
-      typename
-#endif 
-      aligned_storage<sizeof(wrapper), alignment_of<wrapper>::value>::type x;
-
-    wrapper * wrapper_address() const
-    {
-      return static_cast<wrapper *>( static_cast<void*>(&x));
-    }
 
   public :
 
     value_initialized()
     {
-      std::memset(&x, 0, sizeof(x));
+      std::memset(x.address(), 0, sizeof(x));
 #ifdef BOOST_MSVC
 #pragma warning(push)
 #if _MSC_VER >= 1310
 // When using MSVC 7.1 or higher, the following placement new expression may trigger warning C4345:
 // "behavior change: an object of POD type constructed with an initializer of the form ()
-// will be default-initialized".  It is safe to ignore this warning when using value_initialized.
+// will be default-initialized".  There is no need to worry about this, though.
 #pragma warning(disable: 4345)
 #endif
 #endif
-      new (wrapper_address()) wrapper();
+      new (x.address()) wrapper();
 #ifdef BOOST_MSVC
 #pragma warning(pop)
 #endif
@@ -70,23 +72,25 @@ class value_initialized
 
     value_initialized(value_initialized const & arg)
     {
-      new (wrapper_address()) wrapper( static_cast<wrapper const &>(*(arg.wrapper_address())));
+      new (x.address()) wrapper( *static_cast<wrapper const *>(arg.x.address()) );
     }
 
     value_initialized & operator=(value_initialized const & arg)
     {
-      this->data() = static_cast<T const &>( arg.data() );
+      T & this_data = this->data();
+      T const & arg_data = arg.data();
+      this_data = arg_data;
       return *this;
     }
 
     ~value_initialized()
     {
-      wrapper_address()->wrapper::~wrapper();
+      static_cast<wrapper *>(x.address())->wrapper::~wrapper();
     }
 
     T& data() const
     {
-      return wrapper_address()->data;
+      return static_cast<wrapper *>(x.address())->data;
     }
 
     operator T&() const { return this->data(); }
@@ -106,18 +110,6 @@ T& get ( value_initialized<T>& x )
   return x.data() ;
 }
 
-
-class initialized_value
-{
-  public :
-    
-    template <class T> operator T() const
-    {
-      return get( value_initialized<T>() );
-    }
-};
-
-
 } // namespace boost
 
 

index.html

@@ -22,13 +22,14 @@
 				<a href="current_function.html">current_function</a><br>
 				<a href="enable_if.html">enable_if</a><br>
             <a href="iterator_adaptors.htm">iterator_adaptors</a><br>
+            <a href="generator_iterator.htm">generator iterator adaptors</a><br>
 				<a href="operators.htm">operators</a><br>
 				<a href="throw_exception.html">throw_exception</a><br>
 				<a href="utility.htm">utility</a><br>
                 <a href="value_init.htm">value_init</a></p>
 		</blockquote>
 		<hr>
-		<p><EFBFBD> Copyright Beman Dawes, 2001</p>
+		<p>© Copyright Beman Dawes, 2001</p>
         <p>Distributed under the Boost Software License, Version 1.0. (See 
         accompanying file <a href="../../LICENSE_1_0.txt">
         LICENSE_1_0.txt</a> or copy at

shared_container_iterator.html

@@ -315,7 +315,7 @@ Last modified: Mon Aug 11 11:27:03 EST 2003
 <p><EFBFBD> Copyright 2003 The Trustees of Indiana University.
  Use, modification and distribution is subject to the Boost Software 
  License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
- http://www.boost.org/LICENSE_1_0.txt)</p>
+ http:www.boost.org/LICENSE_1_0.txt)</p>
 
 </body>
 

value_init.htm

@@ -32,8 +32,7 @@
 </dl>
                    
 <ul>
-          <li><a href="#val_init"><code>template class value_initialized&lt;T&gt;</code></a></li>
+          <li><a href="#val_init"><code>value_initialized&lt;T&gt;</code></a></li>
-          <li><a href="#initialized_value"><code>class initialized_value</code></a></li>
                    
 </ul>
               <a href="#acknowledgements">Acknowledgements</a><br>
@@ -53,9 +52,6 @@ union and class   types.
 Moreover, <code>value_initialized</code> offers a workaround to various
 compiler issues regarding value-initialization.
 
-Furthermore a convenience class, <code>initialized_value</code> is provided,
-to avoid repeating the type name when retrieving the value from a
-<code>value_initialized&lt;T&gt;</code> object.
 <br>
   </p>
         
@@ -121,16 +117,6 @@ constructed by the following declaration:
 <pre>
   value_initialized&lt;T&gt; var;
 </pre>
-</p>
-<p>
-The convenience class <a href="#initialized_value"><code>initialized_value</code></a>
-allows value-initializing a variable as follows:
-<pre>
-  T var = initialized_value();
-</pre>
-This form of initialization is also very similar to <code>T4 var4 = T4()</code>,
-but robust against the aforementioned compiler issues.
-
 </p>
 
 <h2><a name="details"></a>Details</h2>
@@ -312,40 +298,6 @@ the wrapped object is always performed with the <code>get()</code> idiom:</p>
                    
 <pre>value_initialized&lt;int&gt; x ;<br>get(x) = 1 ; // OK<br><br>value_initialized&lt;int const&gt; cx ;<br>get(x) = 1 ; // ERROR: Cannot modify a const object<br><br>value_initialized&lt;int&gt; const x_c ;<br>get(x_c) = 1 ; // ERROR: Cannot modify a const object<br><br>value_initialized&lt;int const&gt; const cx_c ;<br>get(cx_c) = 1 ; // ERROR: Cannot modify a const object<br></pre>
                     
-<h2><a name="initialized_value"><code>class initialized_value</code></a></h2>
-
-<pre>
-namespace boost {
-class initialized_value
-{
-  public :
-    template &lt;class T&gt; operator T() const ;
-};
-} // namespace boost
-</pre>
-
-The class <code>initialized_value</code> provides a convenient way to get
-an initialized value: its conversion operator provides an appropriate
-<em>value-initialized</em> object for any CopyConstructible type.
-
-Suppose you need to have an initialized variable of type <code>T</code>.
-You could do it as follows:
-<pre>
-  T var = T();
-</pre>
-But as mentioned before, this form suffers from various compiler issues.
-The template <code>value_initialized</code> offers a workaround:
-<pre>
-  T var = get( value_initialized&lt;T&gt;() );
-</pre>
-Unfortunately both forms repeat the type name, which
-is rather short now (<code>T</code>), but could of course be 
-more like <code>Namespace::Template&lt;Arg&gt;::Type</code>.
-Instead, one could use <code>initialized_value</code> as follows:
-<pre>
-  T var = initialized_value();
-</pre>
-                    
 <h3><a name="references">References</a></h3>
           [1] Bjarne Stroustrup, Gabriel Dos Reis, and J. Stephen Adamczyk wrote
           various papers, proposing to extend the support for brace-enclosed <em>initializer lists</em>
@@ -374,7 +326,7 @@ for Boost release version 1.35 (2008), offering a workaround to various compiler
      </p>
                     
 <hr>          
-<p>Revised 16 January 2008</p>
+<p>Revised 15 January 2008</p>
                    
 <p>&copy; Copyright Fernando Cacciola, 2002, 2008.</p>
                    

value_init_test.cpp

@@ -6,8 +6,8 @@
 //
 // Test program for "boost/utility/value_init.hpp"
 //
-// 21 Ago 2002 (Created) Fernando Cacciola
+// 21 Agu 2002 (Created) Fernando Cacciola
-// 19 Jan 2008 (Added tests regarding compiler issues and initialized_value) Fernando Cacciola, Niels Dekker
+// 15 Jan 2008 (Added tests regarding compiler issues) Fernando Cacciola, Niels Dekker
 
 #include <cstring>  // For memcmp.
 #include <iostream>
@@ -52,7 +52,7 @@ struct NonPODBase
 struct NonPOD : NonPODBase
 {
   NonPOD () : id() {}
-  explicit NonPOD ( std::string const& id_) : id(id_) {}
+  NonPOD ( std::string const& id_) : id(id_) {}
 
   friend std::ostream& operator << ( std::ostream& os, NonPOD const& npod )
     { return os << '(' << npod.id << ')' ; }
@@ -180,32 +180,6 @@ struct CopyFunctionCallTester
 };
 
 
-template<class T>
-void check_initialized_value ( T const& y )
-{
-  T initializedValue = boost::initialized_value() ;
-  BOOST_CHECK ( y == initializedValue ) ;
-}
-
-#ifdef  __BORLANDC__
-#if __BORLANDC__ == 0x582
-void check_initialized_value( NonPOD const& )
-{
-  // The initialized_value check is skipped for Borland 5.82
-  // and this type (NonPOD), because the following statement
-  // won't compile on this particular compiler version:
-  //   NonPOD initializedValue = boost::initialized_value() ;
-  //
-  // This is caused by a compiler bug, that is fixed with a newer version
-  // of the Borland compiler.  The Release Notes for Delphi(R) 2007 for
-  // Win32(R) and C++Builder(R) 2007 (http://dn.codegear.com/article/36575)
-  // say about similar statements:
-  //   both of these statements now compile but under 5.82 got the error:
-  //   Error E2015: Ambiguity between 'V::V(const A &)' and 'V::V(const V &)'
-}
-#endif
-#endif
-
 //
 // This test function tests boost::value_initialized<T> for a specific type T.
 // The first argument (y) is assumed have the value of a value-initialized object.
@@ -215,13 +189,9 @@ template<class T>
 bool test ( T const& y, T const& z )
 {
   const boost::unit_test::counter_t counter_before_test = boost::minimal_test::errors_counter();
-
-  check_initialized_value(y);
-
   boost::value_initialized<T> x ;
   BOOST_CHECK ( y == x ) ;
   BOOST_CHECK ( y == boost::get(x) ) ;
-
   static_cast<T&>(x) = z ;
   boost::get(x) = z ;
   BOOST_CHECK ( x == z ) ;