Merge pull request kodecocodes#867 from bbvch13531/patch865-2

Change return type to brief type.
ChristianMoler · Mar 19, 2019 · ea0fd54 · ea0fd54
2 parents 0d5e1b9 + 56e2fc9
commit ea0fd54
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Binary Search Tree/Solution 1/BinarySearchTree.playground/Sources/BinarySearchTree.swift b/Binary Search Tree/Solution 1/BinarySearchTree.playground/Sources/BinarySearchTree.swift
@@ -235,7 +235,7 @@ extension BinarySearchTree {
   /*
     Finds the node whose value precedes our value in sorted order.
   */
-  public func predecessor() -> BinarySearchTree<T>? {
+  public func predecessor() -> BinarySearchTree? {
     if let left = left {
       return left.maximum()
     } else {
@@ -251,7 +251,7 @@ extension BinarySearchTree {
   /*
     Finds the node whose value succeeds our value in sorted order.
   */
-  public func successor() -> BinarySearchTree<T>? {
+  public func successor() -> BinarySearchTree? {
     if let right = right {
       return right.minimum()
     } else {