Merge pull request slackhq#528 from ClementPadovani/patch-1

Added correct nullability values for initializers

Author: Ignacio Romero Zurbuchen

Source/SLKTextViewController.h

@@ -135,7 +135,7 @@ NS_CLASS_AVAILABLE_IOS(7_0) @interface SLKTextViewController : UIViewController
  @param style A constant that specifies the style of main table view that the controller object is to manage (UITableViewStylePlain or UITableViewStyleGrouped).
  @return An initialized SLKTextViewController object or nil if the object could not be created.
  */
-- (instancetype)initWithTableViewStyle:(UITableViewStyle)style;
+- (instancetype __nullable)initWithTableViewStyle:(UITableViewStyle)style;
 
 /**
  Initializes a collection view controller and configures the collection view with the provided layout.
@@ -144,15 +144,15 @@ NS_CLASS_AVAILABLE_IOS(7_0) @interface SLKTextViewController : UIViewController
  @param layout The layout object to associate with the collection view. The layout controls how the collection view presents its cells and supplementary views.
  @return An initialized SLKTextViewController object or nil if the object could not be created.
  */
-- (instancetype)initWithCollectionViewLayout:(UICollectionViewLayout *)layout;
+- (instancetype __nullable)initWithCollectionViewLayout:(UICollectionViewLayout *)layout;
 
 /**
  Initializes a text view controller to manage an arbitraty scroll view. The caller is responsible for configuration of the scroll view, including wiring the delegate.
  
  @param a UISCrollView to be used as the main content area.
  @return An initialized SLKTextViewController object or nil if the object could not be created.
  */
-- (instancetype)initWithScrollView:(UIScrollView *)scrollView;
+- (instancetype __nullable)initWithScrollView:(UIScrollView *)scrollView;
 
 /**
  Initializes either a table or collection view controller.
@@ -161,7 +161,7 @@ NS_CLASS_AVAILABLE_IOS(7_0) @interface SLKTextViewController : UIViewController
  @param decoder An unarchiver object.
  @return An initialized SLKTextViewController object or nil if the object could not be created.
  */
-- (instancetype)initWithCoder:(NSCoder *)decoder;
+- (instancetype __nullable)initWithCoder:(NSCoder *)decoder;
 
 /**
  Returns the tableView style to be configured when using Interface Builder. Default is UITableViewStylePlain.