give generic parameters nice names (#99)

Author: weissi

Sources/AsyncHTTPClient/HTTPClient.swift

@@ -184,7 +184,9 @@ public class HTTPClient {
     ///     - request: HTTP request to execute.
     ///     - delegate: Delegate to process response parts.
     ///     - deadline: Point in time by which the request must complete.
-    public func execute<T: HTTPClientResponseDelegate>(request: Request, delegate: T, deadline: NIODeadline? = nil) -> Task<T.Response> {
+    public func execute<Delegate: HTTPClientResponseDelegate>(request: Request,
+                                                              delegate: Delegate,
+                                                              deadline: NIODeadline? = nil) -> Task<Delegate.Response> {
         let eventLoop = self.eventLoopGroup.next()
         return self.execute(request: request, delegate: delegate, eventLoop: eventLoop, deadline: deadline)
     }
@@ -196,7 +198,10 @@ public class HTTPClient {
     ///     - delegate: Delegate to process response parts.
     ///     - eventLoop: NIO Event Loop preference.
     ///     - deadline: Point in time by which the request must complete.
-    public func execute<T: HTTPClientResponseDelegate>(request: Request, delegate: T, eventLoop: EventLoopPreference, deadline: NIODeadline? = nil) -> Task<T.Response> {
+    public func execute<Delegate: HTTPClientResponseDelegate>(request: Request,
+                                                              delegate: Delegate,
+                                                              eventLoop: EventLoopPreference,
+                                                              deadline: NIODeadline? = nil) -> Task<Delegate.Response> {
         switch eventLoop.preference {
         case .indifferent:
             return self.execute(request: request, delegate: delegate, eventLoop: self.eventLoopGroup.next(), deadline: deadline)
@@ -206,17 +211,20 @@ public class HTTPClient {
         }
     }
 
-    private func execute<T: HTTPClientResponseDelegate>(request: Request, delegate: T, eventLoop: EventLoop, deadline: NIODeadline? = nil) -> Task<T.Response> {
-        let redirectHandler: RedirectHandler<T.Response>?
+    private func execute<Delegate: HTTPClientResponseDelegate>(request: Request,
+                                                               delegate: Delegate,
+                                                               eventLoop: EventLoop,
+                                                               deadline: NIODeadline? = nil) -> Task<Delegate.Response> {
+        let redirectHandler: RedirectHandler<Delegate.Response>?
         if self.configuration.followRedirects {
-            redirectHandler = RedirectHandler<T.Response>(request: request) { newRequest in
+            redirectHandler = RedirectHandler<Delegate.Response>(request: request) { newRequest in
                 self.execute(request: newRequest, delegate: delegate, eventLoop: eventLoop, deadline: deadline)
             }
         } else {
             redirectHandler = nil
         }
 
-        let task = Task<T.Response>(eventLoop: eventLoop)
+        let task = Task<Delegate.Response>(eventLoop: eventLoop)
 
         var bootstrap = ClientBootstrap(group: eventLoop)
             .channelOption(ChannelOptions.socket(SocketOptionLevel(IPPROTO_TCP), TCP_NODELAY), value: 1)

Sources/AsyncHTTPClient/HTTPHandler.swift

@@ -467,7 +467,7 @@ extension HTTPClient {
 
 internal struct TaskCancelEvent {}
 
-internal class TaskHandler<T: HTTPClientResponseDelegate>: ChannelInboundHandler, ChannelOutboundHandler {
+internal class TaskHandler<Delegate: HTTPClientResponseDelegate>: ChannelInboundHandler, ChannelOutboundHandler {
     typealias OutboundIn = HTTPClient.Request
     typealias InboundIn = HTTPClientResponsePart
     typealias OutboundOut = HTTPClientRequestPart
@@ -481,16 +481,16 @@ internal class TaskHandler<T: HTTPClientResponseDelegate>: ChannelInboundHandler
         case end
     }
 
-    let task: HTTPClient.Task<T.Response>
-    let delegate: T
-    let redirectHandler: RedirectHandler<T.Response>?
+    let task: HTTPClient.Task<Delegate.Response>
+    let delegate: Delegate
+    let redirectHandler: RedirectHandler<Delegate.Response>?
     let ignoreUncleanSSLShutdown: Bool
 
     var state: State = .idle
     var pendingRead = false
     var mayRead = true
 
-    init(task: HTTPClient.Task<T.Response>, delegate: T, redirectHandler: RedirectHandler<T.Response>?, ignoreUncleanSSLShutdown: Bool) {
+    init(task: HTTPClient.Task<Delegate.Response>, delegate: Delegate, redirectHandler: RedirectHandler<Delegate.Response>?, ignoreUncleanSSLShutdown: Bool) {
         self.task = task
         self.delegate = delegate
         self.redirectHandler = redirectHandler
@@ -685,9 +685,9 @@ internal class TaskHandler<T: HTTPClientResponseDelegate>: ChannelInboundHandler
     }
 }
 
-internal struct RedirectHandler<T> {
+internal struct RedirectHandler<ResponseType> {
     let request: HTTPClient.Request
-    let execute: (HTTPClient.Request) -> HTTPClient.Task<T>
+    let execute: (HTTPClient.Request) -> HTTPClient.Task<ResponseType>
 
     func redirectTarget(status: HTTPResponseStatus, headers: HTTPHeaders) -> URL? {
         switch status {
@@ -716,7 +716,7 @@ internal struct RedirectHandler<T> {
         return url.absoluteURL
     }
 
-    func redirect(status: HTTPResponseStatus, to redirectURL: URL, promise: EventLoopPromise<T>) {
+    func redirect(status: HTTPResponseStatus, to redirectURL: URL, promise: EventLoopPromise<ResponseType>) {
         let originalRequest = self.request
 
         var convertToGet = false