Add a space before an open bracket

Author: crazytonyli

WordPressKit/Either.swift

@@ -4,7 +4,7 @@ enum Either<L, R> {
     case left(L)
     case right(R)
 
-    func map<T>(left: (L) -> T, right: (R) -> T) -> T{
+    func map<T>(left: (L) -> T, right: (R) -> T) -> T {
         switch self {
         case let .left(value):
             return left(value)