[#BB2473EDDB14F803374CD9B0CF692678FF54F8E0]

<div id="BB2473EDDB14F803374CD9B0CF692678FF54F8E0">
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        <h2>Function to_lower</h2>
        <p><span>Return c converted to lowercase</span></p>


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        <h3>Synopsis</h3>
        <div>
            <code>
                            </code>
        </div>
        <pre class="source-code cpp">
            constexpr
char
to_lower(char c) noexcept;
        </pre>
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        <h3>Description</h3>
        <p><span>This function returns the character,</span> <span>converting it to lowercase if it is</span>
<span>uppercase.</span>
<span>The function is defined only for</span>
<span>low-ASCII characters.</span></p>

<h3>Example</h3>
<code>
assert( to_lower( 'A' ) == 'a' );
</code>
<h3>Exception Safety</h3>
<p><span>Throws nothing.</span></p>


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