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<div class="body" role="main"> <section id="object-implementation-support"> <span id="newtypes"></span><h1>Object Implementation Support<a class="headerlink" href="#object-implementation-support" title="Link to this heading">¶</a></h1> <p>This chapter describes the functions, types, and macros used when defining new object types.</p> <div class="toctree-wrapper compound"> <ul> <li class="toctree-l1"><a class="reference internal" href="allocation.html">Allocating Objects on the Heap</a><ul> <li class="toctree-l2"><a class="reference internal" href="allocation.html#deprecated-aliases">Deprecated aliases</a></li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="lifecycle.html">Object Life Cycle</a><ul> <li class="toctree-l2"><a class="reference internal" href="lifecycle.html#life-events">Life Events</a></li> <li class="toctree-l2"><a class="reference internal" href="lifecycle.html#cyclic-isolate-destruction">Cyclic Isolate Destruction</a></li> <li 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href="typeobj.html#pyvarobject-slots">PyVarObject Slots</a></li> <li class="toctree-l2"><a class="reference internal" href="typeobj.html#pytypeobject-slots">PyTypeObject Slots</a></li> <li class="toctree-l2"><a class="reference internal" href="typeobj.html#static-types">Static Types</a></li> <li class="toctree-l2"><a class="reference internal" href="typeobj.html#heap-types">Heap Types</a></li> <li class="toctree-l2"><a class="reference internal" href="typeobj.html#number-object-structures">Number Object Structures</a></li> <li class="toctree-l2"><a class="reference internal" href="typeobj.html#mapping-object-structures">Mapping Object Structures</a></li> <li class="toctree-l2"><a class="reference internal" href="typeobj.html#sequence-object-structures">Sequence Object Structures</a></li> <li class="toctree-l2"><a class="reference internal" href="typeobj.html#buffer-object-structures">Buffer Object Structures</a></li> <li class="toctree-l2"><a class="reference internal" 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