[libc++][NFC] Add missing synopsis for node handles
This was manually taken from https://llvm.org/D100311.
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@ -10,6 +10,54 @@
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#ifndef _LIBCPP___NODE_HANDLE
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#define _LIBCPP___NODE_HANDLE
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/*
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template<unspecified>
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class node-handle {
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public:
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using value_type = see below; // not present for map containers
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using key_type = see below; // not present for set containers
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using mapped_type = see below; // not present for set containers
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using allocator_type = see below;
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private:
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using container_node_type = unspecified; // exposition only
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using ator_traits = allocator_traits<allocator_type>; // exposition only
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typename ator_traits::template
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rebind_traits<container_node_type>::pointer ptr_; // exposition only
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optional<allocator_type> alloc_; // exposition only
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public:
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// [container.node.cons], constructors, copy, and assignment
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constexpr node-handle() noexcept : ptr_(), alloc_() {}
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node-handle(node-handle&&) noexcept;
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node-handle& operator=(node-handle&&);
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// [container.node.dtor], destructor
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~node-handle();
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// [container.node.observers], observers
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value_type& value() const; // not present for map containers
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key_type& key() const; // not present for set containers
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mapped_type& mapped() const; // not present for set containers
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allocator_type get_allocator() const;
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explicit operator bool() const noexcept;
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[[nodiscard]] bool empty() const noexcept; // nodiscard since C++20
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// [container.node.modifiers], modifiers
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void swap(node-handle&)
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noexcept(ator_traits::propagate_on_container_swap::value ||
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ator_traits::is_always_equal::value);
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friend void swap(node-handle& x, node-handle& y) noexcept(noexcept(x.swap(y))) {
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x.swap(y);
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}
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};
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*/
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#include <__config>
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#include <__debug>
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#include <memory>
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