Use Set for scopes instead of array

Author: daneden

Demo App/Twift_SwiftUI/Twift_SwiftUIApp.swift

@@ -46,8 +46,8 @@ struct Twift_SwiftUIApp: App {
             ) {
               AsyncButton {
                 let (user, _) = await Twift.Authentication().authenticateUser(clientId: "Sm5PSUhRNW9EZ3NXb0tJQkI5WU06MTpjaQ",
-                                                                           redirectUri: URL(string: TWITTER_CALLBACK_URL)!,
-                                                                           scope: Set(OAuth2Scope.allCases))
+                                                                              redirectUri: URL(string: TWITTER_CALLBACK_URL)!,
+                                                                              scope: Set(OAuth2Scope.allCases))
 
                 if let user = user {
                   container.client = Twift(.oauth2UserAuth(user))

Sources/Twift+Authentication.swift

@@ -247,7 +247,7 @@ public struct OAuth2User: Decodable {
   public var expiresAt: Date
 
   /// The scope of permissions for this access token.
-  public var scope: [OAuth2Scope]
+  public var scope: Set<OAuth2Scope>
 
   /// Whether or not the access token has expired (i.e. whether `expiresAt` is in the past).
   public var expired: Bool {
@@ -271,7 +271,7 @@ public struct OAuth2User: Decodable {
     expiresAt = Date().addingTimeInterval(expiresIn)
 
     let scopeArray = try values.decode(String.self, forKey: .scope)
-    scope = scopeArray.split(separator: " ").compactMap { OAuth2Scope.init(rawValue: String($0)) }
+    scope = Set(scopeArray.split(separator: " ").compactMap { OAuth2Scope.init(rawValue: String($0)) })
   }
 }