title: How to append a character to a string in Golang?
body: <p>How to append a character to a string in Go?</p>
  
  <p>This does not work:</p>
  
  <pre><code>s := "hello";
  c := 'x'; 
  fmt.Println(s + c);
  </code></pre>
  
  <p><em>invalid operation: s + c (mismatched types string and rune)</em></p>
  
  <p>This does not work either:</p>
  
  <pre><code>s := "hello";
  c := 'x'; 
  fmt.Println(s + rune(c));
  </code></pre>
  
  <p><em>invalid operation: s + rune(c) (mismatched types string and rune)</em></p>