title: ggplot2 histogram: show labels at start of each bar
body: <p>It might be something obvious that I'm missing, but considering the histogram below</p>
  
  <pre><code>ggplot(diamonds, aes(carat)) +
    geom_histogram(color="white") +
    theme_light() 
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/zxHUw.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/zxHUw.jpg" alt="enter image description here"></a></p>
  
  <p>I want labels (for example 1) to be at the start or end of a bar, not in midpoint. </p>