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46 lines
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<div class="titlepage"><div><div><h3 class="title">
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<a name="asio.reference.ProtoAllocator"></a><a class="link" href="ProtoAllocator.html" title="Proto-allocator requirements">Proto-allocator requirements</a>
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<p>
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A type <code class="computeroutput"><span class="identifier">A</span></code> meets the proto-allocator
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requirements if <code class="computeroutput"><span class="identifier">A</span></code> is <code class="computeroutput"><span class="identifier">CopyConstructible</span></code> (C++Std [copyconstructible]),
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<code class="computeroutput"><span class="identifier">Destructible</span></code> (C++Std [destructible]),
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and <code class="computeroutput"><span class="identifier">allocator_traits</span><span class="special"><</span><span class="identifier">A</span><span class="special">>::</span><span class="identifier">rebind_alloc</span><span class="special"><</span><span class="identifier">U</span><span class="special">></span></code> meets
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the allocator requirements (C++Std [allocator.requirements]), where <code class="computeroutput"><span class="identifier">U</span></code> is an object type. [<span class="emphasis"><em>Note:</em></span>
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For example, <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span><span class="keyword">void</span><span class="special">></span></code> meets
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the proto-allocator requirements but not the allocator requirements. —<span class="emphasis"><em>end
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note</em></span>] No constructor, comparison operator, copy operation, move
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operation, or swap operation on these types shall exit via an exception.
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<div class="copyright-footer">Copyright © 2003-2023 Christopher M. Kohlhoff<p>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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