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improved example in tutorial

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Andrzej Krzemienski
2014-06-06 23:52:29 +02:00
parent a4e507077e
commit d25b0cfd59
3 changed files with 5 additions and 5 deletions
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doc/html/boost_optional/quick_start/optional_data_members.html
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@ -35,12 +35,12 @@
</p>
<pre class="programlisting"><span class="keyword">class</span> <span class="identifier">Widget</span>
<span class="special">{</span>
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">optional</span><span class="special">&lt;</span><span class="identifier">Resource</span><span class="special">&gt;</span> <span class="identifier">resource_</span><span class="special">;</span>
<span class="keyword">mutable</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">optional</span><span class="special">&lt;</span><span class="keyword">const</span> <span class="identifier">Resource</span><span class="special">&gt;</span> <span class="identifier">resource_</span><span class="special">;</span>
<span class="keyword">public</span><span class="special">:</span>
<span class="identifier">Widget</span><span class="special">()</span> <span class="special">{}</span>
<span class="identifier">Resource</span><span class="special">&amp;</span> <span class="identifier">getResource</span><span class="special">()</span> <span class="comment">// not thread-safe</span>
<span class="keyword">const</span> <span class="identifier">Resource</span><span class="special">&amp;</span> <span class="identifier">getResource</span><span class="special">()</span> <span class="keyword">const</span> <span class="comment">// not thread-safe</span>
<span class="special">{</span>
<span class="keyword">if</span> <span class="special">(</span><span class="identifier">resource_</span> <span class="special">==</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">none</span><span class="special">)</span>
<span class="identifier">resource_</span><span class="special">.</span><span class="identifier">emplace</span><span class="special">(</span><span class="string">"resource"</span><span class="special">,</span> <span class="string">"arguments"</span><span class="special">);</span>