title: How do I make class methods / properties in Swift?
body: <p>Class (or static) methods in Objective-C were accomplished using <code>+</code> in declarations.</p>
  
  <pre><code>@interface MyClass : NSObject
  
  + (void)aClassMethod;
  - (void)anInstanceMethod;
  
  @end
  </code></pre>
  
  <p>How can this be achieved in Swift?</p>