title: How can I perform an Array Slice in Swift?
body: <pre><code>var mentions = ["@alex", "@jason", "@jessica", "@john"]
  </code></pre>
  
  <p>I want to limit my array to 3 items, so I want to splice it:</p>
  
  <pre><code>var slice = [String]()
  if mentions.count &gt; 3 {
      slice = mentions[0...3] //alex, jason, jessica
  } else {
      slice = mentions
  }
  </code></pre>
  
  <p>However, I'm getting: </p>
  
  <blockquote>
    <p>Ambiguous subscript with base type '[String]' and index type 'Range'</p>
  </blockquote>
  
  <p>Apple Swift version 2.2 (swiftlang-703.0.18.8 clang-703.0.31)
  Target: x86_64-apple-macosx10.9</p>