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<div><h2 class="title">
<a name="ostream_string"></a>ostream_string</h2></div>
<div><div class="authorgroup"><div class="author"><h3 class="author">
<span class="firstname">Glen</span> <span class="surname">Fernandes</span>
</h3></div></div></div>
<div><p class="copyright">Copyright &#169; 2019 Glen Joseph Fernandes</p></div>
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<a name="ostream_string.legal"></a><p>
        Distributed under the Boost Software License, Version 1.0.
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<div class="toc">
<p><b>Table of Contents</b></p>
<dl class="toc">
<dt><span class="section"><a href="ostream_string.html#ostream_string.overview">Overview</a></span></dt>
<dt><span class="section"><a href="ostream_string.html#ostream_string.examples">Examples</a></span></dt>
<dt><span class="section"><a href="ostream_string.html#ostream_string.reference">Reference</a></span></dt>
<dt><span class="section"><a href="ostream_string.html#ostream_string.history">History</a></span></dt>
</dl>
</div>
<div class="section">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="ostream_string.overview"></a><a class="link" href="ostream_string.html#ostream_string.overview" title="Overview">Overview</a>
</h2></div></div></div>
<p>
      The header &lt;boost/utility/ostream_string.hpp&gt; provides the function template
      <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">ostream_string</span></code> for formatted output that
      satisfies the requirements of [ostream.formatted.reqmts].
    </p>
</div>
<div class="section">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="ostream_string.examples"></a><a class="link" href="ostream_string.html#ostream_string.examples" title="Examples">Examples</a>
</h2></div></div></div>
<p>
      The inserter for class template <code class="computeroutput"><span class="identifier">basic_string_view</span></code>
      could be implemented as follows:
    </p>
<p>
</p>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">charT</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">traits</span><span class="special">&gt;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span><span class="identifier">charT</span><span class="special">,</span> <span class="identifier">traits</span><span class="special">&gt;&amp;</span>
<span class="keyword">operator</span><span class="special">&lt;&lt;(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span><span class="identifier">charT</span><span class="special">,</span> <span class="identifier">traits</span><span class="special">&gt;&amp;</span> <span class="identifier">os</span><span class="special">,</span>
    <span class="keyword">const</span> <span class="identifier">basic_string_view</span><span class="special">&lt;</span><span class="identifier">charT</span><span class="special">,</span> <span class="identifier">traits</span><span class="special">&gt;&amp;</span> <span class="identifier">str</span><span class="special">)</span>
<span class="special">{</span>
    <span class="keyword">return</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">ostream_string</span><span class="special">(</span><span class="identifier">os</span><span class="special">,</span> <span class="identifier">str</span><span class="special">.</span><span class="identifier">data</span><span class="special">(),</span> <span class="identifier">str</span><span class="special">.</span><span class="identifier">size</span><span class="special">());</span>
<span class="special">}</span>
</pre>
<p>
    </p>
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<div class="section">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="ostream_string.reference"></a><a class="link" href="ostream_string.html#ostream_string.reference" title="Reference">Reference</a>
</h2></div></div></div>
<p>
</p>
<pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>

<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">charT</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">traits</span><span class="special">&gt;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span><span class="identifier">charT</span><span class="special">,</span> <span class="identifier">traits</span><span class="special">&gt;&amp;</span>
<span class="identifier">ostream_string</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span><span class="identifier">charT</span><span class="special">,</span> <span class="identifier">traits</span><span class="special">&gt;&amp;</span> <span class="identifier">os</span><span class="special">,</span>
    <span class="keyword">const</span> <span class="identifier">charT</span><span class="special">*</span> <span class="identifier">data</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">size</span><span class="special">);</span>

<span class="special">}</span> <span class="comment">/* boost */</span>
</pre>
<p>
    </p>
<h4>
<a name="ostream_string.reference.h0"></a>
      <span class="phrase"><a name="ostream_string.reference.free_functions"></a></span><a class="link" href="ostream_string.html#ostream_string.reference.free_functions">Free
      functions</a>
    </h4>
<div class="variablelist">
<p class="title"><b></b></p>
<dl class="variablelist">
<dt><span class="term"><code class="computeroutput"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">charT</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">traits</span><span class="special">&gt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span><span class="identifier">charT</span><span class="special">,</span> <span class="identifier">traits</span><span class="special">&gt;&amp;</span> <span class="identifier">ostream_string</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span><span class="identifier">charT</span><span class="special">,</span> <span class="identifier">traits</span><span class="special">&gt;&amp;</span>
        <span class="identifier">os</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">charT</span><span class="special">*</span> <span class="identifier">data</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">size</span><span class="special">);</span></code></span></dt>
<dd><div class="variablelist">
<p class="title"><b></b></p>
<dl class="variablelist">
<dt><span class="term">Effects</span></dt>
<dd><p>
                  Behaves like a formatted inserter (as described in [ostream.formatted.reqmts])
                  of <code class="computeroutput"><span class="identifier">os</span></code>. Creates
                  a character sequence <code class="computeroutput"><span class="identifier">seq</span></code>
                  of <code class="computeroutput"><span class="identifier">size</span></code> characters
                  starting at <code class="computeroutput"><span class="identifier">data</span></code>,
                  each widened using <code class="computeroutput"><span class="identifier">os</span><span class="special">.</span><span class="identifier">widen</span><span class="special">()</span></code> ([basic.ios.members]). Determines
                  padding for <code class="computeroutput"><span class="identifier">seq</span></code>
                  as described in [ostream.formatted.reqmts]. Inserts <code class="computeroutput"><span class="identifier">seq</span></code> into <code class="computeroutput"><span class="identifier">os</span></code>.
                  Calls <code class="computeroutput"><span class="identifier">width</span><span class="special">(</span><span class="number">0</span><span class="special">)</span></code>.
                </p></dd>
<dt><span class="term">Returns</span></dt>
<dd><p>
                  <code class="computeroutput"><span class="identifier">os</span></code>.
                </p></dd>
</dl>
</div></dd>
</dl>
</div>
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<div class="section">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="ostream_string.history"></a><a class="link" href="ostream_string.html#ostream_string.history" title="History">History</a>
</h2></div></div></div>
<h4>
<a name="ostream_string.history.h0"></a>
      <span class="phrase"><a name="ostream_string.history.boost_1_71"></a></span><a class="link" href="ostream_string.html#ostream_string.history.boost_1_71">boost
      1.71</a>
    </h4>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
          Glen Fernandes updated the implementation of the <code class="computeroutput"><span class="identifier">basic_string_ref</span></code>
          and <code class="computeroutput"><span class="identifier">basic_string_view</span></code> stream
          insertion operators to write directly to the <code class="computeroutput"><span class="identifier">basic_streambuf</span></code>
          and refactored that functionality into this common utility.
        </li></ul></div>
</div>
</div>
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<td align="left"><p><small>Last revised: December 10, 2019 at 00:21:48 GMT</small></p></td>
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