title: Wrong version of swift
body: <p>How can I run swift 2.1?</p>
  
  <p>I have Xcode 7.0.1 installed but when I run swift in the terminal,
  I getting version 2.0.</p>
  
  <pre><code>&gt; swift -v
  
  Apple Swift version 2.0 (swiftlang-700.0.59 clang-700.0.72)
  Target: x86_64-apple-darwin14.5.0
  /Applications/Xcode.app/Contents/Developer/usr/bin/lldb "--repl=-target     x86_64-apple-darwin14.5.0 -enable-objc-interop -sdk            
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk -color-diagnostics"
  Welcome to Apple Swift version 2.0 (700.0.59 700.0.72). Type :help for assistance.
  </code></pre>
  
  <p>I thought Xcode7 included swift 2.1</p>