[#9B7D6A78083E6BEECF3F13039B041B208FB920A9]

<div id="9B7D6A78083E6BEECF3F13039B041B208FB920A9">
    <div>
        <h2>Function <a href="#">param</a>::
param</h2>
        <p><span>Constructor</span></p>


    </div>

    <div>
        <h3>Synopsis</h3>
        <div>
            <code>
                            </code>
        </div>
        <pre class="source-code cpp">
            param() = default;
        </pre>
    </div>

    <div>
        <h3>Description</h3>
        <p><span>Default constructed query parameters</span> <span>have an empty key and no value.</span></p>

<h3>Example</h3>
<code>
param qp;
</code>
<h3>Postconditions</h3>
<code>
this->key == "" && this->value == "" && this->has_value == false
</code>
<h3>Complexity</h3>
<p><span>Constant.</span></p>

<h3>Exception Safety</h3>
<p><span>Throws nothing.</span></p>


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