title: golang append() evaluated but not used
body: <pre><code>func main(){
       var array [10]int
       sliceA := array[0:5]
       append(sliceA, 4)
       fmt.Println(sliceA)
  }
  </code></pre>
  
  <blockquote>
    <p>Error : append(sliceA, 4) evaluated but not used</p>
  </blockquote>
  
  <p>I don't Know why? The slice append operation is not run...</p>