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109 lines
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<title>libc++ Fundamentals TS Status</title>
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<a href="https://llvm.org/">LLVM Home</a>
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<label>libc++ Info</label>
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<!--*********************************************************************-->
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<h1>Post-C++14 TS Implementation Status</h1>
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<!--*********************************************************************-->
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<p>In November 2014, the C++ standard committee approved the draft for the next version of the C++ standard, known as "C++1z" (probably to be C++17)</p>
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<p>In addition, there are several "Technical Specifications", that consist of new features that are proposed, but not yet accepted for C++1z.</p>
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<p>This page shows the status of libc++; the status of clang's support of the language features is <a href="https://clang.llvm.org/cxx_status.html">here</a>.</p>
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<h3>Technical Specifications</h3>
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<table id="TS" border="1">
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<tr><th>Paper Number</th><th>Paper Title</th><th>TS</th></tr>
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<tr><td><a href="https://wg21.link/n4023">4023</a></td><td>C++ Extensions for Library Fundamentals</td><td>Library Fundamentals 1</td></tr>
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<tr><td><a href="https://wg21.link/n3940">3940</a></td><td>Technical Specification - File System</td><td>File System</td></tr>
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<tr><td></td><td></td><td></td></tr>
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<tr><td><a href="https://wg21.link/n4273">4273</a></td><td>Uniform Container Erasure.</td><td>Library Fundamentals 2</td></tr>
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<tr><td><a href="https://wg21.link/n4061">4061</a></td><td>Greatest Common Divisor and Least Common Multiple.</td><td>Library Fundamentals 2</td></tr>
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<tr><td><a href="https://wg21.link/n4257">4257</a></td><td>Delimited iterators.</td><td>Library Fundamentals 2</td></tr>
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<tr><td><a href="https://wg21.link/n4282">4282</a></td><td>The World's Dumbest Smart Pointer.</td><td>Library Fundamentals 2</td></tr>
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<tr><td></td><td></td><td></td></tr>
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</table>
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<h3>Features in Library Fundamentals 1</h3>
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<table id="Features" border="1">
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<tr><th>Feature Name</th><th>Status</th></tr>
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<tr><td>Uses-allocator construction</td><td>Not started</td></tr>
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<tr><td>Changes to std::shared_ptr and weak_ptr</td><td>Not started</td></tr>
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<tr><td>Additions to std::function</td><td>Not started</td></tr>
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<tr><td>Additions to std::promise</td><td>Not started</td></tr>
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<tr><td>Additions to std::packaged_task</td><td>Not started</td></tr>
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<tr><td></td><td></td></tr>
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<tr><td>Class erased_type</td><td>Complete</td></tr>
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<tr><td>Calling a function with a tuple of arguments</td><td>Complete</td></tr>
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<tr><td>Type traits (_v)</td><td>Complete</td></tr>
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<tr><td>Other type transformations</td><td>Not started</td></tr>
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<tr><td>Compile-time Rational Arithmetic</td><td>Implementation in progress</td></tr>
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<tr><td>Time Utilities</td><td>Complete</td></tr>
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<tr><td>System Error Support</td><td>Complete</td></tr>
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<tr><td></td><td></td></tr>
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<tr><td>Class memory_resource</td><td>Complete</td></tr>
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<tr><td>Class template polymorphic_allocator</td><td>Complete</td></tr>
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<tr><td>Template alias resource_adaptor</td><td>Complete</td></tr>
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<tr><td>Global memory resources</td><td>Complete</td></tr>
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<tr><td>Pool resource classes</td><td>Implementation in progress</td></tr>
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<tr><td>Class monotonic_buffer_resource</td><td>Implementation in progress</td></tr>
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<tr><td>Alias templates using polymorphic memory resource</td><td>Complete</td></tr>
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<tr><td></td><td></td></tr>
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<tr><td>Searchers</td><td>Complete</td></tr>
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<tr><td>Optional Objects</td><td>Initial implementation complete</td></tr>
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<tr><td>class any</td><td>Complete</td></tr>
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<tr><td>string_view</td><td>Complete</td></tr>
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<tr><td>memory</td><td>Implementation in progress</td></tr>
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<tr><td>Algorithms library</td><td>Complete</td></tr>
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</table>
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<h3>Features in Library Fundamentals 2</h3>
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<table id="Features" border="1">
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<tr><th>Feature Name</th><th>Status</th></tr>
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<!-- <tr><td></td><td></td></tr> -->
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</table>
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<h3>Features in Filesystem</h3>
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<table id="Features" border="1">
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<tr><th>Feature Name</th><th>Status</th><th>First released version</th></tr>
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<tr><td>All features</td><td>Complete</td><td>3.9</td></tr>
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</table>
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<p>Last Updated: 17-June-2016</p>
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