e> function (like <a href="https://api.flutter.dev/flutter/dart-core/int/parse.html">int.parse</a>).
These classes will provide the textual representation as
their string representation.</p>
<p>Other classes have no meaningful textual representation
that a program will care about.
Such classes will typically override <code>toString</code> to provide
useful information when inspecting the object,
mainly for debugging or logging.</p>
</section>


    
<section class="summary source-code" id="source">
  <h2><s