[#8D247E17388478C87651ED86A72FC57D6EC1765F]

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        <h2><a href="#">param_view</a>::
value</h2>
        <p><span>The value</span></p>


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        <h3>Synopsis</h3>
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            <code>
                            </code>
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        <pre class="source-code cpp">
            core::string_view value;
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        <h3>Description</h3>
        <p><span>The presence of a value is indicated by</span> <span>has_value</span> <span>equal to true.</span>
<span>An empty value is distinct from no value.</span></p>


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