[#7F239D42C987DE59FAE02E25A61D94E4E29B9D41]

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        <h2>Function ref</h2>
        
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        <h3>Synopsis</h3>
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            <code>
                            </code>
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        <pre class="source-code cpp">
            template<class CharSet>
constexpr
detail::charset_ref<CharSet>
ref(CharSet const& cs) noexcept;
        </pre>
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