quot;)
</code></pre></div>
<h2 id="error-handling">Error Handling</h2>
<h3 id="common-error-patterns">Common Error Patterns</h3>
<div class="highlight"><pre><span></span><code># Check for errors
result = f.get(&quot;nonexistent&quot;)
if (result.error) {
    # Handle error
}

# Safe field creation
try {
    f.mkfield(&quot;test&quot;, &quot;INT&quot;, &quot;FIX&quot;, 4)
} catch {
    # Handle field creation error
}
</code></pre></div>
<h3 id="debug-information">Debug Information</h3>
<div class="highlight"