ive
        code can and should be free from imperative code. <code class="computeroutput"><span class="identifier">on_success</span></code>
        as a concept and mechanism is an important departure from how things are
        done in Spirit's previous version: Qi.
      </p>
<p>
        As demonstrated in the previous <a class="link" href="employee.html" title="Employee - Parsing into structs">employee
        example</a>, the preferred way to extract data from an input source is
        by having the p