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<h1>to_title
<small>Function</small>
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<h2>public elemental function to_title(string) result(title_string)
</h2>
<p>Converts character sequence to title case
(<a href="../page/specs/stdlib_ascii.html#to_title">Specification</a>)</p>
<p>Version: experimental</p>
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<span class="anchor" id="variable-string~120"></span>
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character(len=len)
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<section>
<h2><span class="anchor" id="src"></span>Source Code</h2>
<div class="hl codehilite"><pre><span></span><span class="w"> </span><span class="k">elemental function </span><span class="n">to_title</span><span class="p">(</span><span class="n">string</span><span class="p">)</span><span class="w"> </span><span class="k">result</span><span class="p">(</span><span class="n">title_string</span><span class="p">)</span>
<span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="nb">len</span><span class="o">=*</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">string</span>
<span class="w"> </span><span class="kt">character</span><span class="p">(</span><span class="nb">len</span><span class="o">=</span><span class="nb">len</span><span class="p">(</span><span class="n">string</span><span class="p">))</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">title_string</span>
<span class="w"> </span><span class="kt">integer</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">i</span>
<span class="w"> </span><span class="kt">logical</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">capitalize_switch</span>
<span class="w"> </span><span class="n">capitalize_switch</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">.</span><span class="n">true</span><span class="p">.</span>
<span class="w"> </span><span class="k">do </span><span class="n">i</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="nb">len</span><span class="p">(</span><span class="n">string</span><span class="p">)</span>
<span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">is_alphanum</span><span class="p">(</span><span class="n">string</span><span class="p">(</span><span class="n">i</span><span class="p">:</span><span class="n">i</span><span class="p">)))</span><span class="w"> </span><span class="k">then</span>
<span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="n">capitalize_switch</span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<span class="k"> </span><span class="n">title_string</span><span class="p">(</span><span class="n">i</span><span class="p">:</span><span class="n">i</span><span class="p">)</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">char_to_upper</span><span class="p">(</span><span class="n">string</span><span class="p">(</span><span class="n">i</span><span class="p">:</span><span class="n">i</span><span class="p">))</span>
<span class="w"> </span><span class="n">capitalize_switch</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">.</span><span class="n">false</span><span class="p">.</span>
<span class="w"> </span><span class="k">else</span>
<span class="k"> </span><span class="n">title_string</span><span class="p">(</span><span class="n">i</span><span class="p">:</span><span class="n">i</span><span class="p">)</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">char_to_lower</span><span class="p">(</span><span class="n">string</span><span class="p">(</span><span class="n">i</span><span class="p">:</span><span class="n">i</span><span class="p">))</span>
<span class="w"> </span><span class="k">end if</span>
<span class="k"> else</span>
<span class="k"> </span><span class="n">title_string</span><span class="p">(</span><span class="n">i</span><span class="p">:</span><span class="n">i</span><span class="p">)</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">string</span><span class="p">(</span><span class="n">i</span><span class="p">:</span><span class="n">i</span><span class="p">)</span>
<span class="w"> </span><span class="n">capitalize_switch</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">.</span><span class="n">true</span><span class="p">.</span>
<span class="w"> </span><span class="k">end if</span>
<span class="k"> end do</span>
<span class="k"> end function </span><span class="n">to_title</span>
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