Fix warnings, fix documentation

Author: fabianfett

Examples/EventSources/Sources/EventSources/main.swift

@@ -18,7 +18,7 @@ struct SNSBody: Codable {
 func handleSNS(event: SNS.Event, ctx: Context) -> EventLoopFuture<Void> {
   do {
     let message = event.records.first!.sns
-    let _: SNSBody = try message.payload()
+    let _ = try message.decodeBody(SNSBody.self)
 
     // handle your message
 

Examples/TodoAPIGateway/Sources/TodoAPIGateway/TodoController.swift

@@ -39,7 +39,7 @@ class TodoController {
   func createTodo(request: APIGateway.Request, context: Context) -> EventLoopFuture<APIGateway.Response> {
     let newTodo: TodoItem
     do {
-      let payload: NewTodo = try request.payload()
+      let payload = try request.decodeBody(NewTodo.self)
       newTodo = TodoItem(
         id: UUID().uuidString.lowercased(),
         order: payload.order,
@@ -116,7 +116,7 @@ class TodoController {
 
     let patchTodo: PatchTodo
     do {
-      patchTodo = try request.payload()
+      patchTodo = try request.decodeBody(PatchTodo.self)
     }
     catch {
       return context.eventLoop.makeFailedFuture(error)
@@ -135,7 +135,10 @@ class TodoController {
   private func createResponseEncoder(_ request: APIGateway.Request) -> JSONEncoder {
     let encoder = JSONEncoder()
 
-    guard let proto = request.headers?["X-Forwarded-Proto"], let host = request.headers?["Host"] else {
+    guard let proto = request.headers["X-Forwarded-Proto"].first,
+          let host = request.headers["Host"].first
+      else
+    {
       return encoder
     }
 

README.md

@@ -25,7 +25,7 @@ struct Greeting: Codable {
 
 let handler = APIGateway.handler() { (request, ctx) in
   do {
-    let payload: Input = try request.payload()
+    let payload = try request.decodeBody(Input.self)
 
     let response = try APIGateway.Response(
       statusCode: .ok,