Fixes indentation of code to 2 spaces

Author: kelvinlauKL

LRU Cache/LRUCache.swift

@@ -9,51 +9,51 @@
 import Foundation
 
 public class LRUCache<KeyType: Hashable> {
-    private let maxSize: Int
-    private var cache: [KeyType: Any] = [:]
-    private var priority: LinkedList<KeyType> = LinkedList<KeyType>()
-    private var key2node: [KeyType: LinkedList<KeyType>.LinkedListNode<KeyType>] = [:]
-
-    public init(_ maxSize: Int) {
-        self.maxSize = maxSize
+  private let maxSize: Int
+  private var cache: [KeyType: Any] = [:]
+  private var priority: LinkedList<KeyType> = LinkedList<KeyType>()
+  private var key2node: [KeyType: LinkedList<KeyType>.LinkedListNode<KeyType>] = [:]
+  
+  public init(_ maxSize: Int) {
+    self.maxSize = maxSize
+  }
+  
+  public func get(_ key: KeyType) -> Any? {
+    guard let val = cache[key] else {
+      return nil
     }
-
-    public func get(_ key: KeyType) -> Any? {
-        guard let val = cache[key] else {
-            return nil
-        }
-
-        remove(key)
-        insert(key, val: val)
-
-        return val
+    
+    remove(key)
+    insert(key, val: val)
+    
+    return val
+  }
+  
+  public func set(_ key: KeyType, val: Any) {
+    if cache[key] != nil {
+      remove(key)
+    } else if priority.count >= maxSize, let keyToRemove = priority.last?.value {
+      remove(keyToRemove)
     }
-
-    public func set(_ key: KeyType, val: Any) {
-        if cache[key] != nil {
-            remove(key)
-        } else if priority.count >= maxSize, let keyToRemove = priority.last?.value {
-            remove(keyToRemove)
-        }
-
-        insert(key, val: val)
-    }
-
-    private func remove(_ key: KeyType) {
-        cache.removeValue(forKey: key)
-        guard let node = key2node[key] else {
-            return
-        }
-        priority.remove(node: node)
-        key2node.removeValue(forKey: key)
+    
+    insert(key, val: val)
+  }
+  
+  private func remove(_ key: KeyType) {
+    cache.removeValue(forKey: key)
+    guard let node = key2node[key] else {
+      return
     }
-
-    private func insert(_ key: KeyType, val: Any) {
-        cache[key] = val
-        priority.insert(key, atIndex: 0)
-        guard let first = priority.first else {
-            return
-        }
-        key2node[key] = first
+    priority.remove(node: node)
+    key2node.removeValue(forKey: key)
+  }
+  
+  private func insert(_ key: KeyType, val: Any) {
+    cache[key] = val
+    priority.insert(key, atIndex: 0)
+    guard let first = priority.first else {
+      return
     }
+    key2node[key] = first
+  }
 }