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Sprout/docs/libs/string/char_traits/copy.html
Bolero-MURAKAMI 88ee58bcf4 fix Issue #49
2013-09-13 17:22:10 +09:00

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<h1>copy<a class="headerlink" href="#copy" title="Permalink to this headline"></a></h1>
<div class="section" id="interface">
<h2>Interface<a class="headerlink" href="#interface" title="Permalink to this headline"></a></h2>
<div class="highlight-c++"><div class="highlight"><pre><span class="k">static</span> <span class="n">char_type</span><span class="o">*</span> <span class="n">copy</span><span class="p">(</span><span class="n">char_type</span><span class="o">*</span> <span class="n">s1</span><span class="p">,</span> <span class="n">char_type</span> <span class="k">const</span><span class="o">*</span> <span class="n">s2</span><span class="p">,</span> <span class="n">std</span><span class="o">::</span><span class="n">size_t</span> <span class="n">n</span><span class="p">);</span>
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<h2>Pre-condition<a class="headerlink" href="#pre-condition" title="Permalink to this headline"></a></h2>
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<div class="line">s2 not in [s1,s1+n).</div>
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<div class="line">Equivalent to <tt class="docutils literal"><span class="pre">std::char_traits&lt;Char&gt;::copy(s1,</span> <span class="pre">s2,</span> <span class="pre">n)</span></tt>.</div>
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<h2>Examples<a class="headerlink" href="#examples" title="Permalink to this headline"></a></h2>
<div class="highlight-c++"><div class="highlight"><pre><span class="cp">#include &lt;sprout/string.hpp&gt;</span>
<span class="cp">#include &lt;sprout/assert.hpp&gt;</span>
<span class="k">using</span> <span class="k">namespace</span> <span class="n">sprout</span><span class="p">;</span>
<span class="kt">char</span> <span class="n">x</span><span class="p">[]</span> <span class="o">=</span> <span class="s">&quot;homuhomu&quot;</span><span class="p">;</span>
<span class="n">SPROUT_STATIC_CONSTEXPR</span> <span class="kt">char</span> <span class="k">const</span><span class="o">*</span> <span class="n">y</span> <span class="o">=</span> <span class="s">&quot;madocchi&quot;</span><span class="p">;</span>
<span class="kt">int</span> <span class="n">main</span><span class="p">()</span> <span class="p">{</span>
<span class="n">char_traits</span><span class="o">&lt;</span><span class="kt">char</span><span class="o">&gt;::</span><span class="n">copy</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">,</span> <span class="mi">8</span><span class="p">);</span>
<span class="n">SPROUT_ASSERT_MSG</span><span class="p">(</span><span class="n">x</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="n">y</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="s">&quot;y is copied to x.&quot;</span><span class="p">);</span>
<span class="p">}</span>
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<h2>Complexity<a class="headerlink" href="#complexity" title="Permalink to this headline"></a></h2>
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<div class="line">linear.</div>
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<h2>Header<a class="headerlink" href="#header" title="Permalink to this headline"></a></h2>
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<div class="line"><tt class="docutils literal"><span class="pre">sprout/string/char_traits.hpp</span></tt></div>
<div class="line">Convenience header: <tt class="docutils literal"><span class="pre">sprout/string.hpp</span></tt></div>
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