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25<div class="refentry" lang="en">
26<a name="boost.array"></a><div class="titlepage"></div>
27<div class="refnamediv">
28<h2><span class="refentrytitle">Class template array</span></h2>
29<p>boost::array &#8212; <p>STL compliant container wrapper for arrays of constant size</p></p>
30</div>
31<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
32<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> T, std::size_t N&gt; 
33<span class="bold"><strong>class</strong></span> array {
34<span class="bold"><strong>public</strong></span>:
35  <span class="emphasis"><em>// types</em></span>
36  <span class="bold"><strong>typedef</strong></span> T                                     value_type;            
37  <span class="bold"><strong>typedef</strong></span> T*                                    iterator;              
38  <span class="bold"><strong>typedef</strong></span> <span class="bold"><strong>const</strong></span> T*                              const_iterator;        
39  <span class="bold"><strong>typedef</strong></span> std::reverse_iterator&lt;iterator&gt;       reverse_iterator;      
40  <span class="bold"><strong>typedef</strong></span> std::reverse_iterator&lt;const_iterator&gt; const_reverse_iterator;
41  <span class="bold"><strong>typedef</strong></span> T&amp;                                    reference;             
42  <span class="bold"><strong>typedef</strong></span> <span class="bold"><strong>const</strong></span> T&amp;                              const_reference;       
43  <span class="bold"><strong>typedef</strong></span> std::size_t                           size_type;             
44  <span class="bold"><strong>typedef</strong></span> std::ptrdiff_t                        difference_type;       
45
46  <span class="emphasis"><em>// static constants</em></span>
47  <span class="bold"><strong>static</strong></span> <span class="bold"><strong>const</strong></span> size_type static_size = N;
48
49  <span class="emphasis"><em>// <a href="array.html#boost.arrayconstruct-copy-destruct">construct/copy/destruct</a></em></span>
50  <span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> U&gt; array&amp; <a href="array.html#id2355560-bb"><span class="bold"><strong>operator</strong></span>=</a>(<span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;U, N&gt;&amp;);
51
52  <span class="emphasis"><em>// <a href="array.html#id2355603-bb">iterator support</a></em></span>
53  <span class="type">iterator</span> <a href="array.html#id2355613-bb">begin</a>();
54  <span class="type">const_iterator</span> <a href="array.html#id2355621-bb">begin</a>() <span class="bold"><strong>const</strong></span>;
55  <span class="type">iterator</span> <a href="array.html#id2355647-bb">end</a>();
56  <span class="type">const_iterator</span> <a href="array.html#id2355655-bb">end</a>() <span class="bold"><strong>const</strong></span>;
57
58  <span class="emphasis"><em>// <a href="array.html#id2355679-bb">reverse iterator support</a></em></span>
59  <span class="type">reverse_iterator</span> <a href="array.html#id2355688-bb">rbegin</a>();
60  <span class="type">const_reverse_iterator</span> <a href="array.html#id2355696-bb">rbegin</a>() <span class="bold"><strong>const</strong></span>;
61  <span class="type">reverse_iterator</span> <a href="array.html#id2355718-bb">rend</a>();
62  <span class="type">const_reverse_iterator</span> <a href="array.html#id2355726-bb">rend</a>() <span class="bold"><strong>const</strong></span>;
63
64  <span class="emphasis"><em>// <a href="array.html#id2355745-bb">capacity</a></em></span>
65  <span class="type">size_type</span> <a href="array.html#id2355750-bb">size</a>();
66  <span class="type"><span class="bold"><strong>bool</strong></span></span> <a href="array.html#id2355766-bb">empty</a>();
67  <span class="type">size_type</span> <a href="array.html#id2365607-bb">max_size</a>();
68
69  <span class="emphasis"><em>// <a href="array.html#id2365630-bb">element access</a></em></span>
70  <span class="type">reference</span> <a href="array.html#id2365639-bb"><span class="bold"><strong>operator</strong></span>[]</a>(size_type);
71  <span class="type">const_reference</span> <a href="array.html#id2365657-bb"><span class="bold"><strong>operator</strong></span>[]</a>(size_type) <span class="bold"><strong>const</strong></span>;
72  <span class="type">reference</span> <a href="array.html#id2365702-bb">at</a>(size_type);
73  <span class="type">const_reference</span> <a href="array.html#id2365720-bb">at</a>(size_type) <span class="bold"><strong>const</strong></span>;
74  <span class="type">reference</span> <a href="array.html#id2365766-bb">front</a>();
75  <span class="type">const_reference</span> <a href="array.html#id2365773-bb">front</a>() <span class="bold"><strong>const</strong></span>;
76  <span class="type">reference</span> <a href="array.html#id2365806-bb">back</a>();
77  <span class="type">const_reference</span> <a href="array.html#id2365814-bb">back</a>() <span class="bold"><strong>const</strong></span>;
78  <span class="type"><span class="bold"><strong>const</strong></span> T*</span> <a href="array.html#id2365842-bb">data</a>() <span class="bold"><strong>const</strong></span>;
79  <span class="type">T*</span> <a href="array.html#id2365865-bb">c_array</a>();
80
81  <span class="emphasis"><em>// <a href="array.html#id2382978-bb">modifiers</a></em></span>
82  <span class="type"><span class="bold"><strong>void</strong></span></span> <a href="array.html#id2382982-bb">swap</a>(<a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp;);
83  <span class="type"><span class="bold"><strong>void</strong></span></span> <a href="array.html#id2383022-bb">assign</a>(<span class="bold"><strong>const</strong></span> T&amp;);
84
85  T elems[N];
86};
87
88<span class="emphasis"><em>// <a href="array.html#id2383061-bb">specialized algorithms</a></em></span>
89<span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> T, std::size_t N&gt; <span class="type"><span class="bold"><strong>void</strong></span></span> <a href="array.html#id2383066">swap</a>(<a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp;, <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp;);
90
91<span class="emphasis"><em>// <a href="array.html#id2383136-bb">comparisons</a></em></span>
92<span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> T, std::size_t N&gt; 
93  <span class="type"><span class="bold"><strong>bool</strong></span></span> <a href="array.html#id2383141"><span class="bold"><strong>operator</strong></span>==</a>(<span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp;, <span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp;);
94<span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> T, std::size_t N&gt; 
95  <span class="type"><span class="bold"><strong>bool</strong></span></span> <a href="array.html#id2383217"><span class="bold"><strong>operator</strong></span>!=</a>(<span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp;, <span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp;);
96<span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> T, std::size_t N&gt; 
97  <span class="type"><span class="bold"><strong>bool</strong></span></span> <a href="array.html#id2383281"><span class="bold"><strong>operator</strong></span>&lt;</a>(<span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp;, <span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp;);
98<span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> T, std::size_t N&gt; 
99  <span class="type"><span class="bold"><strong>bool</strong></span></span> <a href="array.html#id2383361"><span class="bold"><strong>operator</strong></span>&gt;</a>(<span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp;, <span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp;);
100<span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> T, std::size_t N&gt; 
101  <span class="type"><span class="bold"><strong>bool</strong></span></span> <a href="array.html#id2383424"><span class="bold"><strong>operator</strong></span>&lt;=</a>(<span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp;, <span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp;);
102<span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> T, std::size_t N&gt; 
103  <span class="type"><span class="bold"><strong>bool</strong></span></span> <a href="array.html#id2383487"><span class="bold"><strong>operator</strong></span>&gt;=</a>(<span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp;, <span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp;);</pre></div>
104<div class="refsect1" lang="en">
105<a name="id2573974"></a><h2>Description</h2>
106<div class="refsect2" lang="en">
107<a name="id2573978"></a><h3>
108<a name="boost.arrayconstruct-copy-destruct"></a><code class="computeroutput">array</code> construct/copy/destruct</h3>
109<div class="orderedlist"><ol type="1"><li>
110<pre class="literallayout"><span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> U&gt; array&amp; <a name="id2355560-bb"></a><span class="bold"><strong>operator</strong></span>=(<span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;U, N&gt;&amp; other);</pre>
111<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Effects</span></b>:
112
113    <code class="computeroutput">std::copy(rhs.<a href="array.html#id2355608-bb">begin</a>(),rhs.<a href="array.html#id2355642-bb">end</a>(), <a href="array.html#id2355608-bb">begin</a>())</code></p>
114</li></ol></div>
115</div>
116<div class="refsect2" lang="en">
117<a name="id2574078"></a><h3>
118<a name="id2355603-bb"></a><code class="computeroutput">array</code> iterator support</h3>
119<div class="orderedlist"><ol type="1">
120<li>
121<p><a name="id2355608-bb"></a></p>
122<pre class="literallayout"><span class="type">iterator</span> <a name="id2355613-bb"></a>begin();
123<span class="type">const_iterator</span> <a name="id2355621-bb"></a>begin() <span class="bold"><strong>const</strong></span>;</pre>
124<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
125
126    iterator for the first element<br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Throws</span></b>:
127
128    will not throw</p>
129</li>
130<li>
131<p><a name="id2355642-bb"></a></p>
132<pre class="literallayout"><span class="type">iterator</span> <a name="id2355647-bb"></a>end();
133<span class="type">const_iterator</span> <a name="id2355655-bb"></a>end() <span class="bold"><strong>const</strong></span>;</pre>
134<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
135
136    iterator for position after the last element<br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Throws</span></b>:
137
138    will not throw</p>
139</li>
140</ol></div>
141</div>
142<div class="refsect2" lang="en">
143<a name="id2574203"></a><h3>
144<a name="id2355679-bb"></a><code class="computeroutput">array</code> reverse iterator support</h3>
145<div class="orderedlist"><ol type="1">
146<li>
147<p><a name="id2355683-bb"></a></p>
148<pre class="literallayout"><span class="type">reverse_iterator</span> <a name="id2355688-bb"></a>rbegin();
149<span class="type">const_reverse_iterator</span> <a name="id2355696-bb"></a>rbegin() <span class="bold"><strong>const</strong></span>;</pre>
150<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
151
152    reverse iterator for the first element of reverse iteration</p>
153</li>
154<li>
155<p><a name="id2355713-bb"></a></p>
156<pre class="literallayout"><span class="type">reverse_iterator</span> <a name="id2355718-bb"></a>rend();
157<span class="type">const_reverse_iterator</span> <a name="id2355726-bb"></a>rend() <span class="bold"><strong>const</strong></span>;</pre>
158<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
159
160    reverse iterator for position after the last element in reverse iteration</p>
161</li>
162</ol></div>
163</div>
164<div class="refsect2" lang="en">
165<a name="id2574317"></a><h3>
166<a name="id2355745-bb"></a><code class="computeroutput">array</code> capacity</h3>
167<div class="orderedlist"><ol type="1">
168<li>
169<pre class="literallayout"><span class="type">size_type</span> <a name="id2355750-bb"></a>size();</pre>
170<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
171
172    <code class="computeroutput">N</code></p>
173</li>
174<li>
175<pre class="literallayout"><span class="type"><span class="bold"><strong>bool</strong></span></span> <a name="id2355766-bb"></a>empty();</pre>
176<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
177
178    <code class="computeroutput">N==0</code><br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Throws</span></b>:
179
180    will not throw</p>
181</li>
182<li>
183<pre class="literallayout"><span class="type">size_type</span> <a name="id2365607-bb"></a>max_size();</pre>
184<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
185
186    <code class="computeroutput">N</code><br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Throws</span></b>:
187
188    will not throw</p>
189</li>
190</ol></div>
191</div>
192<div class="refsect2" lang="en">
193<a name="id2574443"></a><h3>
194<a name="id2365630-bb"></a><code class="computeroutput">array</code> element access</h3>
195<div class="orderedlist"><ol type="1">
196<li>
197<p><a name="id2365634-bb"></a></p>
198<pre class="literallayout"><span class="type">reference</span> <a name="id2365639-bb"></a><span class="bold"><strong>operator</strong></span>[](size_type i);
199<span class="type">const_reference</span> <a name="id2365657-bb"></a><span class="bold"><strong>operator</strong></span>[](size_type i) <span class="bold"><strong>const</strong></span>;</pre>
200<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Requires</span></b>:
201
202    <code class="computeroutput">i &lt; N</code><br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
203
204    element with index <code class="computeroutput">i</code><br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Throws</span></b>:
205
206    will not throw.</p>
207</li>
208<li>
209<p><a name="id2365698-bb"></a></p>
210<pre class="literallayout"><span class="type">reference</span> <a name="id2365702-bb"></a>at(size_type i);
211<span class="type">const_reference</span> <a name="id2365720-bb"></a>at(size_type i) <span class="bold"><strong>const</strong></span>;</pre>
212<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
213
214    element with index <code class="computeroutput">i</code><br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Throws</span></b>:
215
216    <code class="computeroutput">std::range_error</code> if <code class="computeroutput">i &gt;= N</code></p>
217</li>
218<li>
219<p><a name="id2365761-bb"></a></p>
220<pre class="literallayout"><span class="type">reference</span> <a name="id2365766-bb"></a>front();
221<span class="type">const_reference</span> <a name="id2365773-bb"></a>front() <span class="bold"><strong>const</strong></span>;</pre>
222<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Requires</span></b>:
223
224    <code class="computeroutput">N &gt; 0</code><br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
225
226    the first element<br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Throws</span></b>:
227
228    will not throw</p>
229</li>
230<li>
231<p><a name="id2365801-bb"></a></p>
232<pre class="literallayout"><span class="type">reference</span> <a name="id2365806-bb"></a>back();
233<span class="type">const_reference</span> <a name="id2365814-bb"></a>back() <span class="bold"><strong>const</strong></span>;</pre>
234<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Requires</span></b>:
235
236    <code class="computeroutput">N &gt; 0</code><br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
237
238    the last element<br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Throws</span></b>:
239
240    will not throw</p>
241</li>
242<li>
243<pre class="literallayout"><span class="type"><span class="bold"><strong>const</strong></span> T*</span> <a name="id2365842-bb"></a>data() <span class="bold"><strong>const</strong></span>;</pre>
244<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
245
246    <code class="computeroutput">elems</code><br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Throws</span></b>:
247
248    will not throw</p>
249</li>
250<li>
251<pre class="literallayout"><span class="type">T*</span> <a name="id2365865-bb"></a>c_array();</pre>
252<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
253
254    <code class="computeroutput">elems</code><br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Throws</span></b>:
255
256    will not throw</p>
257</li>
258</ol></div>
259</div>
260<div class="refsect2" lang="en">
261<a name="id2574819"></a><h3>
262<a name="id2382978-bb"></a><code class="computeroutput">array</code> modifiers</h3>
263<div class="orderedlist"><ol type="1">
264<li>
265<pre class="literallayout"><span class="type"><span class="bold"><strong>void</strong></span></span> <a name="id2382982-bb"></a>swap(<a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp; other);</pre>
266<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Effects</span></b>:
267
268    <code class="computeroutput">std::swap_ranges(<a href="array.html#id2355608-bb">begin</a>(), <a href="array.html#id2355642-bb">end</a>(), other.<a href="array.html#id2355608-bb">begin</a>())</code><br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Complexity</span></b>:
269
270    linear in <code class="computeroutput">N</code></p>
271</li>
272<li>
273<pre class="literallayout"><span class="type"><span class="bold"><strong>void</strong></span></span> <a name="id2383022-bb"></a>assign(<span class="bold"><strong>const</strong></span> T&amp; value);</pre>
274<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Effects</span></b>:
275
276    <code class="computeroutput">std::fill_n(<a href="array.html#id2355608-bb">begin</a>(), N, value)</code></p>
277</li>
278</ol></div>
279</div>
280<div class="refsect2" lang="en">
281<a name="id2574960"></a><h3>
282<a name="id2383061-bb"></a><code class="computeroutput">array</code> specialized algorithms</h3>
283<div class="orderedlist"><ol type="1"><li>
284<pre class="literallayout"><span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> T, std::size_t N&gt; <span class="type"><span class="bold"><strong>void</strong></span></span> <a name="id2383066"></a>swap(<a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp; x, <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp; y);</pre>
285<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Effects</span></b>:
286
287    <code class="computeroutput">x.<a href="array.html#id2382982-bb">swap</a>(y)</code><br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Throws</span></b>:
288
289    will not throw.</p>
290</li></ol></div>
291</div>
292<div class="refsect2" lang="en">
293<a name="id2575053"></a><h3>
294<a name="id2383136-bb"></a><code class="computeroutput">array</code> comparisons</h3>
295<div class="orderedlist"><ol type="1">
296<li>
297<pre class="literallayout"><span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> T, std::size_t N&gt; 
298  <span class="type"><span class="bold"><strong>bool</strong></span></span> <a name="id2383141"></a><span class="bold"><strong>operator</strong></span>==(<span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp; x, <span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp; y);</pre>
299<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
300
301    <code class="computeroutput">std::equal(x.<a href="array.html#id2355608-bb">begin</a>(), x.<a href="array.html#id2355642-bb">end</a>(), y.<a href="array.html#id2355608-bb">begin</a>())</code></p>
302</li>
303<li>
304<pre class="literallayout"><span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> T, std::size_t N&gt; 
305  <span class="type"><span class="bold"><strong>bool</strong></span></span> <a name="id2383217"></a><span class="bold"><strong>operator</strong></span>!=(<span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp; x, <span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp; y);</pre>
306<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
307
308    <code class="computeroutput">!(x == y)</code></p>
309</li>
310<li>
311<pre class="literallayout"><span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> T, std::size_t N&gt; 
312  <span class="type"><span class="bold"><strong>bool</strong></span></span> <a name="id2383281"></a><span class="bold"><strong>operator</strong></span>&lt;(<span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp; x, <span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp; y);</pre>
313<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
314
315    <code class="computeroutput">std::lexicographical_compare(x.<a href="array.html#id2355608-bb">begin</a>(), x.<a href="array.html#id2355642-bb">end</a>(), y.<a href="array.html#id2355608-bb">begin</a>(), y.<a href="array.html#id2355642-bb">end</a>())</code></p>
316</li>
317<li>
318<pre class="literallayout"><span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> T, std::size_t N&gt; 
319  <span class="type"><span class="bold"><strong>bool</strong></span></span> <a name="id2383361"></a><span class="bold"><strong>operator</strong></span>&gt;(<span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp; x, <span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp; y);</pre>
320<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
321
322    <code class="computeroutput">y &lt; x</code></p>
323</li>
324<li>
325<pre class="literallayout"><span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> T, std::size_t N&gt; 
326  <span class="type"><span class="bold"><strong>bool</strong></span></span> <a name="id2383424"></a><span class="bold"><strong>operator</strong></span>&lt;=(<span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp; x, <span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp; y);</pre>
327<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
328
329    <code class="computeroutput">!(y &lt; x)</code></p>
330</li>
331<li>
332<pre class="literallayout"><span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> T, std::size_t N&gt; 
333  <span class="type"><span class="bold"><strong>bool</strong></span></span> <a name="id2383487"></a><span class="bold"><strong>operator</strong></span>&gt;=(<span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp; x, <span class="bold"><strong>const</strong></span> <a href="array.html" title="Class template array">array</a>&lt;T, N&gt;&amp; y);</pre>
334<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:
335
336    <code class="computeroutput">!(x &lt; y)</code></p>
337</li>
338</ol></div>
339</div>
340</div>
341</div>
342<table width="100%"><tr>
343<td align="left"></td>
344<td align="right"><small>Copyright © 2001-2004 Nicolai M. Josuttis</small></td>
345</tr></table>
346<hr>
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