Use synthesized conformance to Equatable

Author: mattt

Sources/PlayingCard/PlayingCard.swift

@@ -8,7 +8,7 @@
  See http://swift.org/CONTRIBUTORS.txt for Swift project authors
 */
 
-public struct PlayingCard {
+public struct PlayingCard: Equatable {
     public let rank: Rank
     public let suit: Suit
 
@@ -18,14 +18,6 @@ public struct PlayingCard {
     }
 }
 
-// MARK: - Equatable
-
-extension PlayingCard: Equatable {
-    public static func ==(lhs: PlayingCard, rhs: PlayingCard) -> Bool {
-      return lhs.rank == rhs.rank && lhs.suit == rhs.suit
-    }
-}
-
 // MARK: - Comparable
 
 extension PlayingCard: Comparable {