<!doctype html> <html> <meta name="viewport" content="width=device-width, initial-scale=1"> <body style="max-width: 60ch; margin: 0 auto; font-size: 1.2em; text-align: center;"> <h1>Quackmark</h1> <p style="line-height: 1.5em;"> If it walks like a duck and it quacks like a duck, then it's probably a duck.<br> But if you want to be safe, you have to check. </p> Compare <a href="checkers.html">static type checkers</a> and <a href="loaders.html">type‑safe loaders</a>. <p>Learn more on <a href="https://typing.readthedocs.io/en/latest/">typing.readthedocs.io</a>. <footer style="font-size: smaller; border-top: 1px solid #ccc; padding-top: 1em;"> Created by <a href="https://push-f.com/">push-f</a>.