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<h1 id="firstHeading" class="firstHeading">C++ standard libraries extensions</h1>
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<div id="contentSub"><span class="subpages">< <a href="../../cpp.html" title="cpp">cpp</a>‎ | <a href="../experimental.html" title="cpp/experimental">experimental</a></span></div>
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</p><p>The C++ Extensions for Library Fundamentals technical specification includes the following significant features:
</p>
<table class="wikitable">
<tr>
<th>Doc. No.</th>
<th>Title</th>
<th>Macro Name Suffix</th>
<th>Header
</th></tr>
<tr>
<td> N3920
</td>
<td> Extending <span class="t-lc"><a href="../memory/shared_ptr.html" title="cpp/memory/shared ptr">std::shared_ptr</a></span> to support arrays
</td>
<td> <code>shared_ptr_arrays</code>
</td>
<td> <a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/experimental/memory&action=edit&redlink=1" class="new" title="cpp/header/experimental/memory (page does not exist)"><tt><experimental/memory></tt></a>
</td></tr>
<tr>
<td> N3916
</td>
<td> Type-erased allocator for <span class="t-lc"><a href="../utility/functional/function.html" title="cpp/utility/functional/function">std::function</a></span>
</td>
<td> <code>function_erased_allocator</code>
</td>
<td> <a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/experimental/functional&action=edit&redlink=1" class="new" title="cpp/header/experimental/functional (page does not exist)"><tt><experimental/functional></tt></a>
</td></tr>
<tr>
<td> N3843
</td>
<td> A SFINAE-Friendly <span class="t-lc"><a href="../types/common_type.html" title="cpp/types/common type">std::common_type</a></span>
</td>
<td> <code>common_type_sfinae</code>
</td>
<td> <a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/experimental/type_traits&action=edit&redlink=1" class="new" title="cpp/header/experimental/type traits (page does not exist)"><tt><experimental/type_traits></tt></a>
</td></tr>
<tr>
<td> N3923
</td>
<td> A SFINAE-Friendly <span class="t-lc"><a href="../iterator/iterator_traits.html" title="cpp/iterator/iterator traits">std::iterator_traits</a></span>
</td>
<td> <code>iterator_traits_sfinae</code>
</td>
<td> <a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/experimental/iterator&action=edit&redlink=1" class="new" title="cpp/header/experimental/iterator (page does not exist)"><tt><experimental/iterator></tt></a>
</td></tr>
<tr>
<td> N3916
</td>
<td> Type-erased allocator for <span class="t-lc"><a href="../thread/promise.html" title="cpp/thread/promise">std::promise</a></span>
</td>
<td> <code>promise_erased_allocator</code>
</td>
<td> <a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/experimental/future&action=edit&redlink=1" class="new" title="cpp/header/experimental/future (page does not exist)"><tt><experimental/future></tt></a>
</td></tr>
<tr>
<td> N3916
</td>
<td> Type-erased allocator for <span class="t-lc"><a href="../thread/packaged_task.html" title="cpp/thread/packaged task">std::packaged_task</a></span>
</td>
<td> <code>packaged_task_erased_allocator</code>
</td>
<td> <a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/experimental/future&action=edit&redlink=1" class="new" title="cpp/header/experimental/future (page does not exist)"><tt><experimental/future></tt></a>
</td></tr>
<tr>
<td> N3915
</td>
<td> <code>apply()</code> call a function with arguments from a tuple
</td>
<td> <code>apply</code>
</td>
<td> <a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/experimental/tuple&action=edit&redlink=1" class="new" title="cpp/header/experimental/tuple (page does not exist)"><tt><experimental/tuple></tt></a>
</td></tr>
<tr>
<td> N3932
</td>
<td> Variable Templates For Type Traits
</td>
<td> <code>type_trait_variable_templates</code>
</td>
<td> <a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/experimental/type_traits&action=edit&redlink=1" class="new" title="cpp/header/experimental/type traits (page does not exist)"><tt><experimental/type_traits></tt></a>
</td></tr>
<tr>
<td> N3866
</td>
<td> Invocation type traits
</td>
<td> <code>invocation_type</code>
</td>
<td> <a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/experimental/type_traits&action=edit&redlink=1" class="new" title="cpp/header/experimental/type traits (page does not exist)"><tt><experimental/type_traits></tt></a>
</td></tr>
<tr>
<td> N3905
</td>
<td> Extending <span class="t-lc"><a href="../algorithm/search.html" title="cpp/algorithm/search">std::search</a></span> to use Additional Searching Algorithms
</td>
<td> <code>boyer_moore_searching</code>
</td>
<td> <a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/experimental/functional&action=edit&redlink=1" class="new" title="cpp/header/experimental/functional (page does not exist)"><tt><experimental/functional></tt></a>
</td></tr>
<tr>
<td> N3672, N3793
</td>
<td> A utility class to represent optional objects
</td>
<td> <code>optional</code>
</td>
<td> <a href="../header/experimental/optional.html" title="cpp/header/experimental/optional"><tt><experimental/optional></tt></a>
</td></tr>
<tr>
<td> N3804
</td>
<td> Any Library Proposal
</td>
<td> <code>any</code>
</td>
<td> <a href="../header/experimental/any.html" title="cpp/header/experimental/any"><tt><experimental/any></tt></a>
</td></tr>
<tr>
<td> N3921
</td>
<td> <code>string_view</code>: a non-owning reference to a string
</td>
<td> <code>string_view</code>
</td>
<td> <a href="../header/experimental/string_view.html" title="cpp/header/experimental/string view"><tt><experimental/string_view></tt></a>
</td></tr>
<tr>
<td> N3916
</td>
<td> Polymorphic Memory Resources
</td>
<td> <code>memory_resources</code>
</td>
<td> <a href="../header/experimental/memory_resource.html" title="cpp/header/experimental/memory resource"><tt><experimental/memory_resource></tt></a>
</td></tr>
<tr>
<td> N3925
</td>
<td> A <code>sample</code> Proposal
</td>
<td> <code>sample</code>
</td>
<td> <a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/experimental/algorithm&action=edit&redlink=1" class="new" title="cpp/header/experimental/algorithm (page does not exist)"><tt><experimental/algorithm></tt></a>
</td></tr>
<tr>
<td> N3783
</td>
<td> Network Byte Order Conversion
</td>
<td> <code>network_byte_order</code>
</td>
<td> <a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/experimental/net&action=edit&redlink=1" class="new" title="cpp/header/experimental/net (page does not exist)"><tt><experimental/net></tt></a>
</td></tr></table>
<p><br />
</p>
<table class="metadata plainlinks ambox mbox-small-left ambox-notice" style=""><tr><td class="mbox-empty-cell"></td><td class="mbox-text" style="">This section is incomplete </td></tr></table>
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