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<li><a class="reference internal" href="#">operator+</a><ul>
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<li><a class="reference internal" href="#interface">Interface</a></li>
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<div class="section" id="operator">
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<h1>operator+<a class="headerlink" href="#operator" title="Permalink to this headline">¶</a></h1>
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<div class="section" id="interface">
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<h2>Interface<a class="headerlink" href="#interface" title="Permalink to this headline">¶</a></h2>
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<div class="highlight-c++"><div class="highlight"><pre><span class="k">template</span><span class="o"><</span><span class="k">typename</span> <span class="n">T</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> <span class="k">typename</span> <span class="n">Traits</span><span class="o">></span>
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<span class="kr">inline</span> <span class="n">SPROUT_CONSTEXPR</span> <span class="n">sprout</span><span class="o">::</span><span class="n">basic_string</span><span class="o"><</span><span class="n">T</span><span class="p">,</span> <span class="n">N</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span> <span class="n">Traits</span><span class="o">></span>
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<span class="k">operator</span><span class="o">+</span><span class="p">(</span><span class="n">sprout</span><span class="o">::</span><span class="n">basic_string</span><span class="o"><</span><span class="n">T</span><span class="p">,</span> <span class="n">N</span><span class="p">,</span> <span class="n">Traits</span><span class="o">></span> <span class="k">const</span><span class="o">&</span> <span class="n">lhs</span><span class="p">,</span> <span class="n">T</span> <span class="k">const</span><span class="o">&</span> <span class="n">rhs</span><span class="p">);</span>
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<span class="k">template</span><span class="o"><</span><span class="k">typename</span> <span class="n">T</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> <span class="k">typename</span> <span class="n">Traits</span><span class="o">></span>
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<span class="kr">inline</span> <span class="n">SPROUT_CONSTEXPR</span> <span class="n">sprout</span><span class="o">::</span><span class="n">basic_string</span><span class="o"><</span><span class="n">T</span><span class="p">,</span> <span class="mi">1</span> <span class="o">+</span> <span class="n">N</span><span class="p">,</span> <span class="n">Traits</span><span class="o">></span>
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<span class="k">operator</span><span class="o">+</span><span class="p">(</span><span class="n">T</span> <span class="k">const</span><span class="o">&</span> <span class="n">lhs</span><span class="p">,</span> <span class="n">sprout</span><span class="o">::</span><span class="n">basic_string</span><span class="o"><</span><span class="n">T</span><span class="p">,</span> <span class="n">N</span><span class="p">,</span> <span class="n">Traits</span><span class="o">></span> <span class="k">const</span><span class="o">&</span> <span class="n">rhs</span><span class="p">);</span>
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<span class="k">template</span><span class="o"><</span><span class="k">typename</span> <span class="n">T</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> <span class="k">typename</span> <span class="n">Traits</span><span class="p">,</span> <span class="n">std</span><span class="o">::</span><span class="n">size_t</span> <span class="n">M</span><span class="o">></span>
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<span class="kr">inline</span> <span class="n">SPROUT_CONSTEXPR</span> <span class="n">sprout</span><span class="o">::</span><span class="n">basic_string</span><span class="o"><</span><span class="n">T</span><span class="p">,</span> <span class="n">N</span> <span class="o">+</span> <span class="p">(</span><span class="n">M</span> <span class="o">-</span> <span class="mi">1</span><span class="p">),</span> <span class="n">Traits</span><span class="o">></span>
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<span class="k">operator</span><span class="o">+</span><span class="p">(</span><span class="n">sprout</span><span class="o">::</span><span class="n">basic_string</span><span class="o"><</span><span class="n">T</span><span class="p">,</span> <span class="n">N</span><span class="p">,</span> <span class="n">Traits</span><span class="o">></span> <span class="k">const</span><span class="o">&</span> <span class="n">lhs</span><span class="p">,</span> <span class="n">T</span> <span class="k">const</span> <span class="p">(</span><span class="o">&</span> <span class="n">rhs</span><span class="p">)[</span><span class="n">M</span><span class="p">]);</span>
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<span class="k">template</span><span class="o"><</span><span class="k">typename</span> <span class="n">T</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> <span class="k">typename</span> <span class="n">Traits</span><span class="p">,</span> <span class="n">std</span><span class="o">::</span><span class="n">size_t</span> <span class="n">M</span><span class="o">></span>
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<span class="kr">inline</span> <span class="n">SPROUT_CONSTEXPR</span> <span class="n">sprout</span><span class="o">::</span><span class="n">basic_string</span><span class="o"><</span><span class="n">T</span><span class="p">,</span> <span class="p">(</span><span class="n">M</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span> <span class="o">+</span> <span class="n">N</span><span class="p">,</span> <span class="n">Traits</span><span class="o">></span>
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<span class="k">operator</span><span class="o">+</span><span class="p">(</span><span class="n">T</span> <span class="k">const</span> <span class="p">(</span><span class="o">&</span> <span class="n">lhs</span><span class="p">)[</span><span class="n">M</span><span class="p">],</span> <span class="n">sprout</span><span class="o">::</span><span class="n">basic_string</span><span class="o"><</span><span class="n">T</span><span class="p">,</span> <span class="n">N</span><span class="p">,</span> <span class="n">Traits</span><span class="o">></span> <span class="k">const</span><span class="o">&</span> <span class="n">rhs</span><span class="p">);</span>
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<span class="k">template</span><span class="o"><</span><span class="k">typename</span> <span class="n">T</span><span class="p">,</span> <span class="n">std</span><span class="o">::</span><span class="n">size_t</span> <span class="n">N1</span><span class="p">,</span> <span class="n">std</span><span class="o">::</span><span class="n">size_t</span> <span class="n">N2</span><span class="p">,</span> <span class="k">typename</span> <span class="n">Traits</span><span class="o">></span>
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<span class="kr">inline</span> <span class="n">SPROUT_CONSTEXPR</span> <span class="n">sprout</span><span class="o">::</span><span class="n">basic_string</span><span class="o"><</span><span class="n">T</span><span class="p">,</span> <span class="n">N1</span> <span class="o">+</span> <span class="n">N2</span><span class="p">,</span> <span class="n">Traits</span><span class="o">></span>
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<span class="k">operator</span><span class="o">+</span><span class="p">(</span><span class="n">sprout</span><span class="o">::</span><span class="n">basic_string</span><span class="o"><</span><span class="n">T</span><span class="p">,</span> <span class="n">N1</span><span class="p">,</span> <span class="n">Traits</span><span class="o">></span> <span class="k">const</span><span class="o">&</span> <span class="n">lhs</span><span class="p">,</span> <span class="n">sprout</span><span class="o">::</span><span class="n">basic_string</span><span class="o"><</span><span class="n">T</span><span class="p">,</span> <span class="n">N2</span><span class="p">,</span> <span class="n">Traits</span><span class="o">></span> <span class="k">const</span><span class="o">&</span> <span class="n">rhs</span><span class="p">);</span>
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</pre></div>
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</div>
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</div>
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<div class="section" id="returns">
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<h2>Returns<a class="headerlink" href="#returns" title="Permalink to this headline">¶</a></h2>
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<div class="line-block">
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<div class="line">A concatenated string.</div>
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</div>
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</div>
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<div class="section" id="remarks">
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<h2>Remarks<a class="headerlink" href="#remarks" title="Permalink to this headline">¶</a></h2>
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<div class="line-block">
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<div class="line">String buffer length of the result, become the largest number that can be stored of the concatenated argument.</div>
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</div>
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</div>
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<div class="section" id="examples">
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<h2>Examples<a class="headerlink" href="#examples" title="Permalink to this headline">¶</a></h2>
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<div class="highlight-c++"><div class="highlight"><pre><span class="cp">#include <sprout/string.hpp></span>
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<span class="k">using</span> <span class="k">namespace</span> <span class="n">sprout</span><span class="p">;</span>
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<span class="n">SPROUT_STATIC_CONSTEXPR</span> <span class="k">auto</span> <span class="n">x</span> <span class="o">=</span> <span class="n">string</span><span class="o"><</span><span class="mi">4</span><span class="o">></span><span class="p">(</span><span class="s">"mado"</span><span class="p">);</span>
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<span class="n">SPROUT_STATIC_CONSTEXPR</span> <span class="k">auto</span> <span class="n">y</span> <span class="o">=</span> <span class="n">string</span><span class="o"><</span><span class="mi">4</span><span class="o">></span><span class="p">(</span><span class="s">"homu"</span><span class="p">);</span>
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<span class="n">SPROUT_STATIC_CONSTEXPR</span> <span class="k">auto</span> <span class="n">z</span> <span class="o">=</span> <span class="n">x</span> <span class="o">+</span> <span class="n">y</span><span class="p">;</span>
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<span class="n">static_assert</span><span class="p">(</span><span class="n">z</span> <span class="o">==</span> <span class="s">"madohomu"</span><span class="p">,</span> <span class="s">"A concatenated string is madohomu."</span><span class="p">);</span>
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</pre></div>
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</div>
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</div>
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<div class="section" id="complexity">
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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-block">
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<div class="line">Recursive function invocations in <em>O(1)</em> (constant) depth.</div>
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<div class="section" id="header">
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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-block">
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<div class="line"><tt class="docutils literal"><span class="pre">sprout/string/concat.hpp</span></tt></div>
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<div class="line">Convenience header: <tt class="docutils literal"><span class="pre">sprout/string.hpp</span></tt></div>
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