title: How to format an f32 with a specific precision and prepended zeros?
body: <p>What format string should I use in the <code>println!</code> macro in order to print <code>0.0</code> as <code>00000.000</code>?</p>
  
  <pre><code>println!("={:05.3}", 0.0);
  </code></pre>
  
  <p>Output: <code>=0.000</code></p>
  
  <p>Expected: <code>=00000.000</code></p>