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<title>Exception safety</title>
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<div class="titlepage"><div><div><h3 class="title">
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<a name="geometry_index.r_tree.exception_safety"></a><a class="link" href="exception_safety.html" title="Exception safety">Exception safety</a>
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</h3></div></div></div>
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<p>
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In order to be exception-safe the R-tree requires:
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</p>
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<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
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<li class="listitem">
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exception-safe copy constructor and copy assignment of the <code class="computeroutput">Value</code>.
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</li>
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<li class="listitem">
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exception-safe copy constructor and copy assignment of the <code class="computeroutput"><span class="identifier">CoordinateType</span></code> used in the <code class="computeroutput"><span class="identifier">Indexable</span></code>.
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</li>
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<li class="listitem">
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nonthrowing copy constructor of the <code class="computeroutput"><span class="identifier">Translator</span></code>.
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</li>
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<li class="listitem">
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nonthrowing destructors of above types.
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</li>
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</ul></div>
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<div class="informaltable"><table class="table">
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<thead><tr>
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<p>
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Operation
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</p>
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</th>
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<p>
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exception-safety
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</p>
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</tr></thead>
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<p>
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<code class="computeroutput"><span class="identifier">rtree</span><span class="special">()</span></code>
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</p>
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</td>
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<p>
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<span class="emphasis"><em>nothrow</em></span>
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</p>
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</td>
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<code class="computeroutput"><span class="identifier">rtree</span><span class="special">(</span><span class="identifier">Iterator</span><span class="special">,</span>
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<span class="identifier">Iterator</span><span class="special">)</span></code>
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</p>
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</td>
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<p>
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<span class="bold"><strong>strong</strong></span>
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</p>
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</td>
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<code class="computeroutput"><span class="special">~</span><span class="identifier">rtree</span><span class="special">()</span></code>
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<p>
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<span class="emphasis"><em>nothrow</em></span>
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</p>
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<code class="computeroutput"><span class="identifier">rtree</span><span class="special">(</span><span class="identifier">rtree</span> <span class="keyword">const</span><span class="special">&)</span></code>
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</p>
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</td>
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<p>
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<span class="bold"><strong>strong</strong></span>
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</p>
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<code class="computeroutput"><span class="keyword">operator</span><span class="special">=(</span><span class="identifier">rtree</span> <span class="keyword">const</span><span class="special">&)</span></code>
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</p>
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<span class="bold"><strong>strong</strong></span>
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</p>
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<code class="computeroutput"><span class="identifier">rtree</span><span class="special">(</span><span class="identifier">rtree</span> <span class="special">&&)</span></code>
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</p>
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<span class="emphasis"><em>nothrow</em></span>
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</p>
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<code class="computeroutput"><span class="keyword">operator</span><span class="special">=(</span><span class="identifier">rtree</span> <span class="special">&&)</span></code>
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<p>
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<span class="emphasis"><em>nothrow</em></span> or <span class="bold"><strong>strong</strong></span>
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<a href="#ftn.geometry_index.r_tree.exception_safety.f0" class="footnote"><sup class="footnote"><a name="geometry_index.r_tree.exception_safety.f0"></a>[a]</sup></a>
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</p>
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<p>
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<code class="computeroutput"><span class="identifier">swap</span><span class="special">(</span><span class="identifier">rtree</span> <span class="special">&)</span></code>
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</p>
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</td>
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<p>
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<span class="emphasis"><em>nothrow</em></span>
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</p>
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<p>
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<code class="computeroutput"><span class="identifier">insert</span><span class="special">(</span>Value<span class="special">)</span></code>
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</p>
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<p>
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not safe <a href="#ftn.geometry_index.r_tree.exception_safety.f1" class="footnote"><sup class="footnote"><a name="geometry_index.r_tree.exception_safety.f1"></a>[b]</sup></a>
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</p>
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<p>
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<code class="computeroutput"><span class="identifier">insert</span><span class="special">(</span><span class="identifier">Iterator</span><span class="special">,</span>
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<span class="identifier">Iterator</span><span class="special">)</span></code>
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</p>
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<p>
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not safe
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</p>
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<p>
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<code class="computeroutput"><span class="identifier">insert</span><span class="special">(</span><span class="identifier">Range</span><span class="special">)</span></code>
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</p>
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</td>
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<p>
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not safe
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</p>
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<p>
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<code class="computeroutput"><span class="identifier">remove</span><span class="special">(</span>Value<span class="special">)</span></code>
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</p>
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not safe
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</p>
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<p>
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<code class="computeroutput"><span class="identifier">remove</span><span class="special">(</span><span class="identifier">Iterator</span><span class="special">,</span>
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<span class="identifier">Iterator</span><span class="special">)</span></code>
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</p>
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<p>
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not safe
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</p>
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<p>
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<code class="computeroutput"><span class="identifier">remove</span><span class="special">(</span><span class="identifier">Range</span><span class="special">)</span></code>
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</p>
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not safe
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</p>
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<p>
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<code class="computeroutput"><span class="identifier">clear</span><span class="special">()</span></code>
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</p>
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</td>
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<p>
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<span class="emphasis"><em>nothrow</em></span>
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</p>
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</td>
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</tr>
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<p>
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<code class="computeroutput"><span class="identifier">spatial_query</span><span class="special">(...)</span></code>
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</p>
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<p>
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<span class="bold"><strong>strong</strong></span>
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</p>
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</td>
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</tr>
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<p>
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<code class="computeroutput"><span class="identifier">nearest_query</span><span class="special">(...)</span></code>
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</p>
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</td>
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<p>
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<span class="bold"><strong>strong</strong></span>
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</p>
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<code class="computeroutput"><span class="identifier">count</span><span class="special">(</span><span class="identifier">ValueOrIndexable</span><span class="special">)</span></code>
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<span class="emphasis"><em>nothrow</em></span>
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<code class="computeroutput"><span class="identifier">size</span><span class="special">()</span></code>
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<span class="emphasis"><em>nothrow</em></span>
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<code class="computeroutput"><span class="identifier">empty</span><span class="special">()</span></code>
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</p>
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<p>
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<span class="emphasis"><em>nothrow</em></span>
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<code class="computeroutput"><span class="identifier">box</span><span class="special">()</span></code>
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<span class="emphasis"><em>nothrow</em></span> or <span class="bold"><strong>strong</strong></span>
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<a href="#ftn.geometry_index.r_tree.exception_safety.f2" class="footnote"><sup class="footnote"><a name="geometry_index.r_tree.exception_safety.f2"></a>[c]</sup></a>
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</p>
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<code class="computeroutput"><span class="identifier">get_allocator</span><span class="special">()</span></code>
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</td>
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<td>
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<p>
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<span class="emphasis"><em>nothrow</em></span>
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<code class="computeroutput"><span class="identifier">parameters</span><span class="special">()</span></code>
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</p>
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</td>
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<td>
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<p>
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<span class="emphasis"><em>nothrow</em></span>
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</p>
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</td>
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<p>
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<code class="computeroutput"><span class="identifier">translator</span><span class="special">()</span></code>
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</p>
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</td>
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<td>
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<p>
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<span class="emphasis"><em>nothrow</em></span>
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</tbody>
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<tbody class="footnotes"><tr><td colspan="2">
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<div id="ftn.geometry_index.r_tree.exception_safety.f0" class="footnote"><p><a href="#geometry_index.r_tree.exception_safety.f0" class="para"><sup class="para">[a] </sup></a>
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<span class="emphasis"><em>nothrow</em></span> - if allocators are equal, <span class="bold"><strong>strong</strong></span> - otherwise
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</p></div>
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<div id="ftn.geometry_index.r_tree.exception_safety.f1" class="footnote"><p><a href="#geometry_index.r_tree.exception_safety.f1" class="para"><sup class="para">[b] </sup></a>
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If this operation throws, the R-tree may be left in an inconsistent
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state, elements must not be inserted or removed, methods may
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return invalid data.
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</p></div>
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<div id="ftn.geometry_index.r_tree.exception_safety.f2" class="footnote"><p><a href="#geometry_index.r_tree.exception_safety.f2" class="para"><sup class="para">[c] </sup></a>
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<span class="emphasis"><em>nothrow</em></span> - if <code class="computeroutput"><span class="identifier">CoordinateType</span></code>
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has nonthrowing copy constructor, <span class="bold"><strong>strong</strong></span>
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- otherwise
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</p></div>
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</td></tr></tbody>
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</table></div>
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</div>
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<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="left"></td>
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<td align="right"><div class="copyright-footer">Copyright © 2011, 2012 Adam Wulkiewicz<br>Copyright © 2008 Federico J. Fernandez<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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</p>
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</div></td>
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</tr></table>
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<hr>
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<div class="spirit-nav">
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<a accesskey="p" href="nearest_neighbours_queries.html"><img src="http://www.boost.org/doc/libs/release/doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../r_tree.html"><img src="http://www.boost.org/doc/libs/release/doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="http://www.boost.org/doc/libs/release/doc/src/images/home.png" alt="Home"></a>
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