From 4b0cfdf0eeca46cfccbf9fe42af42f383932c427 Mon Sep 17 00:00:00 2001
From: Li Haoyi <haoyi.sg@gmail.com>
Date: Sat, 18 Aug 2018 10:16:27 +0800
Subject: 0.1.1

---
 build.sc                                           |  2 +-
 cask/src/cask/decorators/compress.scala            |  4 +-
 cask/src/cask/endpoints/FormEndpoint.scala         | 18 ++--
 cask/src/cask/endpoints/JsonEndpoint.scala         | 10 +--
 cask/src/cask/endpoints/ParamReader.scala          | 16 ++--
 cask/src/cask/endpoints/StaticEndpoints.scala      | 10 +--
 cask/src/cask/endpoints/WebEndpoints.scala         | 16 ++--
 cask/src/cask/endpoints/WebSocketEndpoint.scala    | 15 ++--
 cask/src/cask/internal/DispatchTrie.scala          | 13 ++-
 cask/src/cask/main/Decorators.scala                | 10 +--
 cask/src/cask/main/Main.scala                      |  4 +-
 cask/src/cask/main/Routes.scala                    |  4 +-
 cask/src/cask/model/ParamContext.scala             |  5 --
 cask/src/cask/model/Params.scala                   | 16 +---
 cask/src/cask/model/Response.scala                 | 98 ++++++++--------------
 cask/src/cask/package.scala                        |  8 +-
 cask/test/src/test/cask/FailureTests.scala         |  5 +-
 .../1 - Cask: a Scala HTTP micro-framework.md      |  6 +-
 example/compress/build.sc                          |  2 +-
 example/compress2/build.sc                         |  2 +-
 example/compress3/build.sc                         |  2 +-
 example/cookies/build.sc                           |  2 +-
 example/decorated/app/src/Decorated.scala          |  4 +-
 example/decorated/build.sc                         |  2 +-
 example/decorated2/app/src/Decorated2.scala        |  4 +-
 example/decorated2/build.sc                        |  2 +-
 example/endpoints/app/src/Endpoints.scala          |  2 +-
 example/endpoints/build.sc                         |  2 +-
 example/formJsonPost/build.sc                      |  2 +-
 example/httpMethods/build.sc                       |  2 +-
 example/minimalApplication/build.sc                |  2 +-
 example/minimalApplication2/build.sc               |  2 +-
 example/redirectAbort/build.sc                     |  2 +-
 example/scalatags/build.sc                         |  2 +-
 example/staticFiles/build.sc                       |  2 +-
 example/todo/app/src/TodoServer.scala              |  2 +-
 example/todo/build.sc                              |  2 +-
 example/todoApi/build.sc                           |  2 +-
 example/todoDb/app/src/TodoMvcDb.scala             |  2 +-
 example/todoDb/build.sc                            |  2 +-
 .../variableRoutes/app/src/VariableRoutes.scala    |  4 +-
 example/variableRoutes/build.sc                    |  2 +-
 example/websockets/build.sc                        |  2 +-
 43 files changed, 139 insertions(+), 177 deletions(-)
 delete mode 100644 cask/src/cask/model/ParamContext.scala

diff --git a/build.sc b/build.sc
index 9ea4c7b..b368baa 100644
--- a/build.sc
+++ b/build.sc
@@ -58,7 +58,7 @@ object cask extends ScalaModule with PublishModule {
 }
 object example extends Module{
   trait LocalModule extends ScalaModule{
-    def ivyDeps = super.ivyDeps().filter(_ != ivy"com.lihaoyi::cask:0.1.0")
+    def ivyDeps = super.ivyDeps().filter(_ != ivy"com.lihaoyi::cask:0.1.1")
 
     override def millSourcePath = super.millSourcePath / "app"
     def moduleDeps = Seq(cask)
diff --git a/cask/src/cask/decorators/compress.scala b/cask/src/cask/decorators/compress.scala
index 22bd29e..75e2bed 100644
--- a/cask/src/cask/decorators/compress.scala
+++ b/cask/src/cask/decorators/compress.scala
@@ -3,11 +3,11 @@ import java.io.{ByteArrayOutputStream, OutputStream}
 import java.util.zip.{DeflaterOutputStream, GZIPOutputStream}
 
 import cask.internal.Router
-import cask.model.{ParamContext, Response}
+import cask.model.{Request, Response}
 
 import collection.JavaConverters._
 class compress extends cask.Decorator{
-  def wrapFunction(ctx: ParamContext, delegate: Delegate) = {
+  def wrapFunction(ctx: Request, delegate: Delegate) = {
     val acceptEncodings = ctx.exchange.getRequestHeaders.get("Accept-Encoding").asScala.flatMap(_.split(", "))
     delegate(Map()).map{ v =>
       val (newData, newHeaders) = if (acceptEncodings.exists(_.toLowerCase == "gzip")) {
diff --git a/cask/src/cask/endpoints/FormEndpoint.scala b/cask/src/cask/endpoints/FormEndpoint.scala
index a952a2a..cc74093 100644
--- a/cask/src/cask/endpoints/FormEndpoint.scala
+++ b/cask/src/cask/endpoints/FormEndpoint.scala
@@ -7,40 +7,40 @@ import io.undertow.server.handlers.form.FormParserFactory
 
 import collection.JavaConverters._
 
-sealed trait FormReader[T] extends Router.ArgReader[Seq[FormEntry], T, ParamContext]
+sealed trait FormReader[T] extends Router.ArgReader[Seq[FormEntry], T, Request]
 object FormReader{
   implicit def paramFormReader[T: QueryParamReader] = new FormReader[T]{
     def arity = implicitly[QueryParamReader[T]].arity
 
-    def read(ctx: ParamContext, label: String, input: Seq[FormEntry]) = {
+    def read(ctx: Request, label: String, input: Seq[FormEntry]) = {
       implicitly[QueryParamReader[T]].read(ctx, label, if (input == null) null else input.map(_.valueOrFileName))
     }
   }
 
   implicit def formEntryReader = new FormReader[FormEntry]{
     def arity = 1
-    def read(ctx: ParamContext, label: String, input: Seq[FormEntry]) = input.head
+    def read(ctx: Request, label: String, input: Seq[FormEntry]) = input.head
   }
   implicit def formEntriesReader = new FormReader[Seq[FormEntry]]{
     def arity = 1
-    def read(ctx: ParamContext, label: String, input: Seq[FormEntry]) = input
+    def read(ctx: Request, label: String, input: Seq[FormEntry]) = input
   }
 
   implicit def formValueReader = new FormReader[FormValue]{
     def arity = 1
-    def read(ctx: ParamContext, label: String, input: Seq[FormEntry]) = input.head.asInstanceOf[FormValue]
+    def read(ctx: Request, label: String, input: Seq[FormEntry]) = input.head.asInstanceOf[FormValue]
   }
   implicit def formValuesReader = new FormReader[Seq[FormValue]]{
     def arity = 1
-    def read(ctx: ParamContext, label: String, input: Seq[FormEntry]) = input.map(_.asInstanceOf[FormValue])
+    def read(ctx: Request, label: String, input: Seq[FormEntry]) = input.map(_.asInstanceOf[FormValue])
   }
   implicit def formFileReader = new FormReader[FormFile]{
     def arity = 1
-    def read(ctx: ParamContext, label: String, input: Seq[FormEntry]) = input.head.asInstanceOf[FormFile]
+    def read(ctx: Request, label: String, input: Seq[FormEntry]) = input.head.asInstanceOf[FormFile]
   }
   implicit def formFilesReader = new FormReader[Seq[FormFile]]{
     def arity = 1
-    def read(ctx: ParamContext, label: String, input: Seq[FormEntry]) = input.map(_.asInstanceOf[FormFile])
+    def read(ctx: Request, label: String, input: Seq[FormEntry]) = input.map(_.asInstanceOf[FormFile])
   }
 }
 class postForm(val path: String, override val subpath: Boolean = false) extends Endpoint {
@@ -49,7 +49,7 @@ class postForm(val path: String, override val subpath: Boolean = false) extends
   val methods = Seq("post")
   type Input = Seq[FormEntry]
   type InputParser[T] = FormReader[T]
-  def wrapFunction(ctx: ParamContext,
+  def wrapFunction(ctx: Request,
                        delegate: Map[String, Input] => Router.Result[Output]): Router.Result[Response] = {
     try {
       val formData = FormParserFactory.builder().build().createParser(ctx.exchange).parseBlocking()
diff --git a/cask/src/cask/endpoints/JsonEndpoint.scala b/cask/src/cask/endpoints/JsonEndpoint.scala
index f91b888..212597c 100644
--- a/cask/src/cask/endpoints/JsonEndpoint.scala
+++ b/cask/src/cask/endpoints/JsonEndpoint.scala
@@ -5,15 +5,15 @@ import java.io.ByteArrayOutputStream
 import cask.internal.{Router, Util}
 import cask.internal.Router.EntryPoint
 import cask.main.{Endpoint, HttpDecorator, Routes}
-import cask.model.{ParamContext, Response}
+import cask.model.{Request, Response}
 
 
-sealed trait JsReader[T] extends Router.ArgReader[ujson.Js.Value, T, cask.model.ParamContext]
+sealed trait JsReader[T] extends Router.ArgReader[ujson.Js.Value, T, cask.model.Request]
 object JsReader{
   implicit def defaultJsReader[T: upickle.default.Reader] = new JsReader[T]{
     def arity = 1
 
-    def read(ctx: cask.model.ParamContext, label: String, input: ujson.Js.Value): T = {
+    def read(ctx: cask.model.Request, label: String, input: ujson.Js.Value): T = {
       implicitly[upickle.default.Reader[T]].apply(input)
     }
   }
@@ -21,7 +21,7 @@ object JsReader{
   implicit def paramReader[T: ParamReader] = new JsReader[T] {
     override def arity = 0
 
-    override def read(ctx: cask.model.ParamContext, label: String, v: ujson.Js.Value) = {
+    override def read(ctx: cask.model.Request, label: String, v: ujson.Js.Value) = {
       implicitly[ParamReader[T]].read(ctx, label, Nil)
     }
   }
@@ -31,7 +31,7 @@ class postJson(val path: String, override val subpath: Boolean = false) extends
   val methods = Seq("post")
   type Input = ujson.Js.Value
   type InputParser[T] = JsReader[T]
-  def wrapFunction(ctx: ParamContext,
+  def wrapFunction(ctx: Request,
                        delegate: Map[String, Input] => Router.Result[Output]): Router.Result[Response] = {
     val obj = for{
       str <-
diff --git a/cask/src/cask/endpoints/ParamReader.scala b/cask/src/cask/endpoints/ParamReader.scala
index f1ec0bf..e43f482 100644
--- a/cask/src/cask/endpoints/ParamReader.scala
+++ b/cask/src/cask/endpoints/ParamReader.scala
@@ -1,22 +1,28 @@
 package cask.endpoints
 
 import cask.internal.Router
-import cask.model.ParamContext
+import cask.model.{Cookie, Request}
 import io.undertow.server.HttpServerExchange
 import io.undertow.server.handlers.form.{FormData, FormParserFactory}
 
-abstract class ParamReader[T] extends Router.ArgReader[Unit, T, cask.model.ParamContext]{
+abstract class ParamReader[T] extends Router.ArgReader[Unit, T, cask.model.Request]{
   def arity: Int
-  def read(ctx: cask.model.ParamContext, label: String, v: Unit): T
+  def read(ctx: cask.model.Request, label: String, v: Unit): T
 }
 object ParamReader{
-  class NilParam[T](f: (ParamContext, String) => T) extends ParamReader[T]{
+  class NilParam[T](f: (Request, String) => T) extends ParamReader[T]{
     def arity = 0
-    def read(ctx: cask.model.ParamContext, label: String, v: Unit): T = f(ctx, label)
+    def read(ctx: cask.model.Request, label: String, v: Unit): T = f(ctx, label)
   }
   implicit object HttpExchangeParam extends NilParam[HttpServerExchange]((ctx, label) => ctx.exchange)
 
   implicit object FormDataParam extends NilParam[FormData]((ctx, label) =>
     FormParserFactory.builder().build().createParser(ctx.exchange).parseBlocking()
   )
+
+  implicit object RequestParam extends NilParam[Request]((ctx, label) => ctx)
+
+  implicit object CookieParam extends NilParam[Cookie]((ctx, label) =>
+    Cookie.fromUndertow(ctx.exchange.getRequestCookies().get(label))
+  )
 }
diff --git a/cask/src/cask/endpoints/StaticEndpoints.scala b/cask/src/cask/endpoints/StaticEndpoints.scala
index 1d66b2c..15eae0d 100644
--- a/cask/src/cask/endpoints/StaticEndpoints.scala
+++ b/cask/src/cask/endpoints/StaticEndpoints.scala
@@ -1,7 +1,7 @@
 package cask.endpoints
 
 import cask.main.Endpoint
-import cask.model.ParamContext
+import cask.model.Request
 
 class staticFiles(val path: String) extends Endpoint{
   type Output = String
@@ -9,8 +9,8 @@ class staticFiles(val path: String) extends Endpoint{
   type Input = Seq[String]
   type InputParser[T] = QueryParamReader[T]
   override def subpath = true
-  def wrapFunction(ctx: ParamContext, delegate: Delegate): Returned = {
-    delegate(Map()).map(t => cask.model.StaticFile(t + "/" + ctx.remaining.mkString("/")))
+  def wrapFunction(ctx: Request, delegate: Delegate): Returned = {
+    delegate(Map()).map(t => cask.model.StaticFile(t + "/" + ctx.remainingPathSegments.mkString("/")))
   }
 
   def wrapPathSegment(s: String): Input = Seq(s)
@@ -22,9 +22,9 @@ class staticResources(val path: String, resourceRoot: ClassLoader = getClass.get
   type Input = Seq[String]
   type InputParser[T] = QueryParamReader[T]
   override def subpath = true
-  def wrapFunction(ctx: ParamContext, delegate: Delegate): Returned = {
+  def wrapFunction(ctx: Request, delegate: Delegate): Returned = {
     delegate(Map()).map(t =>
-      cask.model.StaticResource(t + "/" + ctx.remaining.mkString("/"), resourceRoot)
+      cask.model.StaticResource(t + "/" + ctx.remainingPathSegments.mkString("/"), resourceRoot)
     )
   }
 
diff --git a/cask/src/cask/endpoints/WebEndpoints.scala b/cask/src/cask/endpoints/WebEndpoints.scala
index 41c3113..02aeec4 100644
--- a/cask/src/cask/endpoints/WebEndpoints.scala
+++ b/cask/src/cask/endpoints/WebEndpoints.scala
@@ -2,7 +2,7 @@ package cask.endpoints
 
 import cask.internal.Router
 import cask.main.{Endpoint, HttpDecorator}
-import cask.model.{ParamContext, Response}
+import cask.model.{Request, Response}
 
 import collection.JavaConverters._
 
@@ -11,7 +11,7 @@ trait WebEndpoint extends Endpoint with HttpDecorator{
   type Output = Response
   type Input = Seq[String]
   type InputParser[T] = QueryParamReader[T]
-  def wrapFunction(ctx: ParamContext,
+  def wrapFunction(ctx: Request,
                        delegate: Map[String, Input] => Router.Result[Output]): Router.Result[Response] = {
     delegate(
       ctx.exchange.getQueryParameters
@@ -34,14 +34,14 @@ class put(val path: String, override val subpath: Boolean = false) extends WebEn
 class route(val path: String, val methods: Seq[String], override val subpath: Boolean = false) extends WebEndpoint
 
 abstract class QueryParamReader[T]
-  extends Router.ArgReader[Seq[String], T, cask.model.ParamContext]{
+  extends Router.ArgReader[Seq[String], T, cask.model.Request]{
   def arity: Int
-  def read(ctx: cask.model.ParamContext, label: String, v: Seq[String]): T
+  def read(ctx: cask.model.Request, label: String, v: Seq[String]): T
 }
 object QueryParamReader{
   class SimpleParam[T](f: String => T) extends QueryParamReader[T]{
     def arity = 1
-    def read(ctx: cask.model.ParamContext, label: String, v: Seq[String]): T = f(v.head)
+    def read(ctx: cask.model.Request, label: String, v: Seq[String]): T = f(v.head)
   }
 
   implicit object StringParam extends SimpleParam[String](x => x)
@@ -54,20 +54,20 @@ object QueryParamReader{
   implicit object FloatParam extends SimpleParam[Float](_.toFloat)
   implicit def SeqParam[T: QueryParamReader] = new QueryParamReader[Seq[T]]{
     def arity = 1
-    def read(ctx: cask.model.ParamContext, label: String, v: Seq[String]): Seq[T] = {
+    def read(ctx: cask.model.Request, label: String, v: Seq[String]): Seq[T] = {
       v.map(x => implicitly[QueryParamReader[T]].read(ctx, label, Seq(x)))
     }
   }
   implicit def OptionParam[T: QueryParamReader] = new QueryParamReader[Option[T]]{
     def arity = 1
-    def read(ctx: cask.model.ParamContext, label: String, v: Seq[String]): Option[T] = {
+    def read(ctx: cask.model.Request, label: String, v: Seq[String]): Option[T] = {
       v.headOption.map(x => implicitly[QueryParamReader[T]].read(ctx, label, Seq(x)))
     }
   }
   implicit def paramReader[T: ParamReader] = new QueryParamReader[T] {
     override def arity = 0
 
-    override def read(ctx: cask.model.ParamContext, label: String, v: Seq[String]) = {
+    override def read(ctx: cask.model.Request, label: String, v: Seq[String]) = {
       implicitly[ParamReader[T]].read(ctx, label, v)
     }
   }
diff --git a/cask/src/cask/endpoints/WebSocketEndpoint.scala b/cask/src/cask/endpoints/WebSocketEndpoint.scala
index 89c05b9..8c6bc16 100644
--- a/cask/src/cask/endpoints/WebSocketEndpoint.scala
+++ b/cask/src/cask/endpoints/WebSocketEndpoint.scala
@@ -1,25 +1,22 @@
 package cask.endpoints
 
 import cask.internal.Router
-import cask.model.{ParamContext, Subpath}
+import cask.model.Request
 import io.undertow.server.HttpServerExchange
 import io.undertow.websockets.WebSocketConnectionCallback
-trait WebsocketParam[T] extends Router.ArgReader[Seq[String], T, cask.model.ParamContext]
+trait WebsocketParam[T] extends Router.ArgReader[Seq[String], T, cask.model.Request]
 
 object WebsocketParam{
-  class NilParam[T](f: (ParamContext, String) => T) extends WebsocketParam[T]{
+  class NilParam[T](f: (Request, String) => T) extends WebsocketParam[T]{
     def arity = 0
-    def read(ctx: ParamContext, label: String, v: Seq[String]): T = f(ctx, label)
+    def read(ctx: Request, label: String, v: Seq[String]): T = f(ctx, label)
   }
   implicit object HttpExchangeParam extends NilParam[HttpServerExchange](
     (ctx, label) => ctx.exchange
   )
-  implicit object SubpathParam extends NilParam[Subpath](
-    (ctx, label) => new Subpath(ctx.remaining)
-  )
   class SimpleParam[T](f: String => T) extends WebsocketParam[T]{
     def arity = 1
-    def read(ctx: cask.model.ParamContext, label: String, v: Seq[String]): T = f(v.head)
+    def read(ctx: cask.model.Request, label: String, v: Seq[String]): T = f(v.head)
   }
 
   implicit object StringParam extends SimpleParam[String](x => x)
@@ -44,7 +41,7 @@ class websocket(val path: String, override val subpath: Boolean = false) extends
   type Input = Seq[String]
   type InputParser[T] = WebsocketParam[T]
   type Returned = Router.Result[WebsocketResult]
-  def wrapFunction(ctx: ParamContext, delegate: Delegate): Returned = delegate(Map())
+  def wrapFunction(ctx: Request, delegate: Delegate): Returned = delegate(Map())
 
   def wrapPathSegment(s: String): Input = Seq(s)
 
diff --git a/cask/src/cask/internal/DispatchTrie.scala b/cask/src/cask/internal/DispatchTrie.scala
index 57d8d9d..952c39b 100644
--- a/cask/src/cask/internal/DispatchTrie.scala
+++ b/cask/src/cask/internal/DispatchTrie.scala
@@ -36,15 +36,20 @@ object DispatchTrie{
     }else{
       DispatchTrie[T](
         current = terminals.headOption.map(x => x._2 -> x._3),
-        children = continuations.map{ case (k, vs) =>
-          if (!k.startsWith("::")) (k, construct(index + 1, vs))
-          else (k, DispatchTrie(Some(vs.head._2 -> vs.head._3), Map()))
-        }.toMap
+        children = continuations.map{ case (k, vs) => (k, construct(index + 1, vs))}.toMap
       )
     }
   }
 }
 
+/**
+  * A simple Trie that can be compiled from a list of endpoints, to allow
+  * endpoint lookup in O(length-of-request-path) time. Lookup returns the
+  * [[T]] this trie contains, as well as a map of bound wildcards (path
+  * segments starting with `:`) and any remaining un-used path segments
+  * (only when `current._2 == true`, indicating this route allows trailing
+  * segments)
+  */
 case class DispatchTrie[T](current: Option[(T, Boolean)],
                            children: Map[String, DispatchTrie[T]]){
   final def lookup(remainingInput: List[String],
diff --git a/cask/src/cask/main/Decorators.scala b/cask/src/cask/main/Decorators.scala
index 239cab4..0515232 100644
--- a/cask/src/cask/main/Decorators.scala
+++ b/cask/src/cask/main/Decorators.scala
@@ -2,7 +2,7 @@ package cask.main
 
 import cask.internal.Router
 import cask.internal.Router.ArgReader
-import cask.model.{ParamContext, Response}
+import cask.model.{Request, Response}
 
 
 trait Endpoint extends BaseEndpoint with HttpDecorator
@@ -44,11 +44,11 @@ trait BaseEndpoint extends BaseDecorator{
 
 trait BaseDecorator{
   type Input
-  type InputParser[T] <: ArgReader[Input, T, ParamContext]
+  type InputParser[T] <: ArgReader[Input, T, Request]
   type Output
   type Delegate = Map[String, Input] => Router.Result[Output]
   type Returned <: Router.Result[Any]
-  def wrapFunction(ctx: ParamContext, delegate: Delegate): Returned
+  def wrapFunction(ctx: Request, delegate: Delegate): Returned
   def getParamParser[T](implicit p: InputParser[T]) = p
 }
 trait HttpDecorator extends BaseDecorator{
@@ -73,10 +73,10 @@ trait Decorator extends HttpDecorator {
   type InputParser[T] = NoOpParser[Input, T]
 }
 
-class NoOpParser[Input, T] extends ArgReader[Input, T, ParamContext] {
+class NoOpParser[Input, T] extends ArgReader[Input, T, Request] {
   def arity = 1
 
-  def read(ctx: ParamContext, label: String, input: Input) = input.asInstanceOf[T]
+  def read(ctx: Request, label: String, input: Input) = input.asInstanceOf[T]
 }
 object NoOpParser{
   implicit def instance[Input, T] = new NoOpParser[Input, T]
diff --git a/cask/src/cask/main/Main.scala b/cask/src/cask/main/Main.scala
index 70fe206..46e1a65 100644
--- a/cask/src/cask/main/Main.scala
+++ b/cask/src/cask/main/Main.scala
@@ -74,7 +74,7 @@ abstract class BaseMain{
           case None =>
             writeResponse(exchange, handleNotFound())
           case Some(((routes, metadata), extBindings, remaining)) =>
-            val ctx = ParamContext(exchange, remaining)
+            val ctx = Request(exchange, remaining)
             def rec(remaining: List[Decorator],
                     bindings: List[Map[String, Any]]): Router.Result[Any] = try {
               remaining match {
@@ -84,7 +84,7 @@ abstract class BaseMain{
                 case Nil =>
                   metadata.endpoint.wrapFunction(ctx, epBindings =>
                     metadata.entryPoint
-                      .asInstanceOf[EntryPoint[cask.main.Routes, cask.model.ParamContext]]
+                      .asInstanceOf[EntryPoint[cask.main.Routes, cask.model.Request]]
                       .invoke(routes, ctx, (epBindings ++ extBindings.mapValues(metadata.endpoint.wrapPathSegment)) :: bindings.reverse)
                       .asInstanceOf[Router.Result[Nothing]]
                   )
diff --git a/cask/src/cask/main/Routes.scala b/cask/src/cask/main/Routes.scala
index aaec832..1a74b87 100644
--- a/cask/src/cask/main/Routes.scala
+++ b/cask/src/cask/main/Routes.scala
@@ -1,7 +1,7 @@
 package cask.main
 
 import cask.internal.Router.EntryPoint
-import cask.model.ParamContext
+import cask.model.Request
 
 import scala.reflect.macros.blackbox.Context
 import language.experimental.macros
@@ -43,7 +43,7 @@ object Routes{
           m.asInstanceOf[MethodSymbol],
           weakTypeOf[T],
           q"${annotObjectSyms.head}.convertToResultType",
-          tq"cask.ParamContext",
+          tq"cask.Request",
           annotObjectSyms.map(annotObjectSym => q"$annotObjectSym.getParamParser"),
           annotObjectSyms.map(annotObjectSym => tq"$annotObjectSym.Input")
 
diff --git a/cask/src/cask/model/ParamContext.scala b/cask/src/cask/model/ParamContext.scala
deleted file mode 100644
index 43da260..0000000
--- a/cask/src/cask/model/ParamContext.scala
+++ /dev/null
@@ -1,5 +0,0 @@
-package cask.model
-
-import io.undertow.server.HttpServerExchange
-
-case class ParamContext(exchange: HttpServerExchange, remaining: Seq[String])
diff --git a/cask/src/cask/model/Params.scala b/cask/src/cask/model/Params.scala
index bd10161..270c190 100644
--- a/cask/src/cask/model/Params.scala
+++ b/cask/src/cask/model/Params.scala
@@ -2,18 +2,11 @@ package cask.model
 
 import java.io.{ByteArrayOutputStream, InputStream}
 
-import cask.endpoints.ParamReader.NilParam
 import cask.internal.Util
 import io.undertow.server.HttpServerExchange
 import io.undertow.server.handlers.CookieImpl
-import io.undertow.websockets.spi.WebSocketHttpExchange
 
-class Subpath(val value: Seq[String])
-object Subpath{
-  implicit object SubpathParam extends NilParam[Subpath]((ctx, label) => new Subpath(ctx.remaining))
-}
-
-case class Request(exchange: HttpServerExchange){
+case class Request(exchange: HttpServerExchange, remainingPathSegments: Seq[String]){
   import collection.JavaConverters._
   lazy val cookies: Map[String, Cookie] = {
     exchange.getRequestCookies.asScala.mapValues(Cookie.fromUndertow).toMap
@@ -33,13 +26,8 @@ case class Request(exchange: HttpServerExchange){
       .toMap
   }
 }
-object Request{
-  implicit object RequestParam extends NilParam[Request]((ctx, label) => new Request(ctx.exchange))
-}
 object Cookie{
-  implicit object CookieParam extends NilParam[Cookie]((ctx, label) =>
-    Cookie.fromUndertow(ctx.exchange.getRequestCookies().get(label))
-  )
+
   def fromUndertow(from: io.undertow.server.handlers.Cookie): Cookie = {
     Cookie(
       from.getName,
diff --git a/cask/src/cask/model/Response.scala b/cask/src/cask/model/Response.scala
index 9ac5664..59b44c9 100644
--- a/cask/src/cask/model/Response.scala
+++ b/cask/src/cask/model/Response.scala
@@ -4,22 +4,24 @@ import java.io.{InputStream, OutputStream, OutputStreamWriter}
 
 import cask.internal.Util
 
-
-trait Response{
-  def data: Response.Data
-  def statusCode: Int
-  def headers: Seq[(String, String)]
-  def cookies: Seq[Cookie]
-}
+/**
+  * The basic response returned by a HTTP endpoint.
+  *
+  * Note that [[data]] by default can take in a wide range of types: strings,
+  * bytes, uPickle JSON-convertable types or arbitrary input streams. You can
+  * also construct your own implementations of `Response.Data`.
+  */
+case class Response(
+  data: Response.Data,
+  statusCode: Int,
+  headers: Seq[(String, String)],
+  cookies: Seq[Cookie]
+)
 object Response{
   def apply(data: Data,
             statusCode: Int = 200,
             headers: Seq[(String, String)] = Nil,
-            cookies: Seq[Cookie] = Nil) = Simple(data, statusCode, headers, cookies)
-  case class Simple(data: Data,
-                    statusCode: Int = 200,
-                    headers: Seq[(String, String)] = Nil,
-                    cookies: Seq[Cookie] = Nil) extends Response
+            cookies: Seq[Cookie] = Nil) = new Response(data, statusCode, headers, cookies)
 
   implicit def dataResponse[T](t: T)(implicit c: T => Data) = Response(t)
   trait Data{
@@ -43,59 +45,33 @@ object Response{
     }
   }
 }
-case class Redirect(url: String)  extends Response{
-  override def data = ""
-
-  override def statusCode = 301
-
-  override def headers = Seq("Location" -> url)
-
-  override def cookies = Nil
+object Redirect{
+  def apply(url: String) = Response("", 301, Seq("Location" -> url), Nil)
 }
-case class Abort(code: Int) extends Response {
-  override def data = ""
-
-  override def statusCode = code
-
-  override def headers = Nil
-
-  override def cookies = Nil
+object Abort{
+  def apply(code: Int) = Response("", code, Nil, Nil)
 }
-
-case class StaticFile(path: String) extends Response {
-  val relPath = java.nio.file.Paths.get(path)
-  val (data0, statusCode0) =
-    if (java.nio.file.Files.exists(relPath) && java.nio.file.Files.isRegularFile(relPath)){
-      (java.nio.file.Files.newInputStream(relPath): Response.Data, 200)
-    }else{
-      ("": Response.Data, 404)
-    }
-  override def data = data0
-
-  override def statusCode = statusCode0
-
-  override def headers = Nil
-
-  override def cookies = Nil
+object StaticFile{
+  def apply(path: String) = {
+    val relPath = java.nio.file.Paths.get(path)
+    val (data0, statusCode0) =
+      if (java.nio.file.Files.exists(relPath) && java.nio.file.Files.isRegularFile(relPath)){
+        (java.nio.file.Files.newInputStream(relPath): Response.Data, 200)
+      }else{
+        ("": Response.Data, 404)
+      }
+    Response(data0, statusCode0, Nil, Nil)
+  }
 }
-
-case class StaticResource(path: String, resourceRoot: ClassLoader) extends Response {
-  val relPath = java.nio.file.Paths.get(path)
-  val (data0, statusCode0) = resourceRoot.getResourceAsStream(path) match{
-    case null => ("": Response.Data, 404)
-    case res => (res: Response.Data, 200)
+object StaticResource{
+  def apply(path: String, resourceRoot: ClassLoader) = {
+    val relPath = java.nio.file.Paths.get(path)
+    val (data0, statusCode0) = resourceRoot.getResourceAsStream(path) match{
+      case null => ("": Response.Data, 404)
+      case res => (res: Response.Data, 200)
+    }
+    Response(data0, statusCode0, Nil, Nil)
   }
-
-  override def data = data0
-
-  override def statusCode = statusCode0
-
-  override def headers = Nil
-
-  override def cookies = Nil
 }
 
 
-
-
-
diff --git a/cask/src/cask/package.scala b/cask/src/cask/package.scala
index 06d9738..cd1a8e5 100644
--- a/cask/src/cask/package.scala
+++ b/cask/src/cask/package.scala
@@ -2,10 +2,10 @@ package object cask {
   // model
   type Response = model.Response
   val Response = model.Response
-  type Abort = model.Abort
   val Abort = model.Abort
-  type Redirect = model.Redirect
   val Redirect = model.Redirect
+  val StaticFile = model.StaticFile
+  val StaticResource = model.StaticResource
   type FormEntry = model.FormEntry
   val FormEntry = model.FormEntry
   type FormValue = model.FormValue
@@ -14,12 +14,8 @@ package object cask {
   val FormFile = model.FormFile
   type Cookie = model.Cookie
   val Cookie = model.Cookie
-  type Subpath = model.Subpath
-  val Subpath = model.Subpath
   type Request = model.Request
   val Request = model.Request
-  type ParamContext = model.ParamContext
-  val ParamContext = model.ParamContext
 
   // endpoints
   type websocket = endpoints.websocket
diff --git a/cask/test/src/test/cask/FailureTests.scala b/cask/test/src/test/cask/FailureTests.scala
index fed56e5..d24d52c 100644
--- a/cask/test/src/test/cask/FailureTests.scala
+++ b/cask/test/src/test/cask/FailureTests.scala
@@ -1,12 +1,11 @@
 package test.cask
 
-import cask.internal.Router
-import cask.model.{ParamContext, Response}
+import cask.model.Request
 import utest._
 
 object FailureTests extends TestSuite {
   class myDecorator extends cask.Decorator {
-    def wrapFunction(ctx: ParamContext, delegate: Delegate): Returned = {
+    def wrapFunction(ctx: Request, delegate: Delegate): Returned = {
       delegate(Map("extra" -> 31337))
     }
   }
diff --git a/docs/pages/1 - Cask: a Scala HTTP micro-framework.md b/docs/pages/1 - Cask: a Scala HTTP micro-framework.md
index 4ed5841..dd98dd2 100644
--- a/docs/pages/1 - Cask: a Scala HTTP micro-framework.md	
+++ b/docs/pages/1 - Cask: a Scala HTTP micro-framework.md	
@@ -81,10 +81,10 @@ via the following coordinates:
 
 ```scala
 // Mill
-ivy"com.lihaoyi::cask:0.1.0"
+ivy"com.lihaoyi::cask:0.1.1"
 
 // SBT
-"com.lihaoyi" %% "cask" % "0.1.0"
+"com.lihaoyi" %% "cask" % "0.1.1"
 ```
 
 The `./cask` command is just a wrapper around the
@@ -233,7 +233,7 @@ You can write extra decorator annotations that stack on top of the existing
 done by implementing the `cask.Decorator` interface and it's `getRawParams`
 function. `getRawParams`:
 
-- Receives a `ParamContext`, which basically gives you full access to the
+- Receives a `Request`, which basically gives you full access to the
   underlying undertow HTTP connection so you can pick out whatever data you
   would like
 
diff --git a/example/compress/build.sc b/example/compress/build.sc
index 2166763..a08b2c6 100644
--- a/example/compress/build.sc
+++ b/example/compress/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
   )
 
   object test extends Tests{
diff --git a/example/compress2/build.sc b/example/compress2/build.sc
index 2166763..a08b2c6 100644
--- a/example/compress2/build.sc
+++ b/example/compress2/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
   )
 
   object test extends Tests{
diff --git a/example/compress3/build.sc b/example/compress3/build.sc
index 2166763..a08b2c6 100644
--- a/example/compress3/build.sc
+++ b/example/compress3/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
   )
 
   object test extends Tests{
diff --git a/example/cookies/build.sc b/example/cookies/build.sc
index 2166763..a08b2c6 100644
--- a/example/cookies/build.sc
+++ b/example/cookies/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
   )
 
   object test extends Tests{
diff --git a/example/decorated/app/src/Decorated.scala b/example/decorated/app/src/Decorated.scala
index 77f9133..f037c6a 100644
--- a/example/decorated/app/src/Decorated.scala
+++ b/example/decorated/app/src/Decorated.scala
@@ -4,12 +4,12 @@ object Decorated extends cask.MainRoutes{
     override def toString = "[haoyi]"
   }
   class loggedIn extends cask.Decorator {
-    def wrapFunction(ctx: cask.ParamContext, delegate: Delegate): Returned = {
+    def wrapFunction(ctx: cask.Request, delegate: Delegate): Returned = {
       delegate(Map("user" -> new User()))
     }
   }
   class withExtra extends cask.Decorator {
-    def wrapFunction(ctx: cask.ParamContext, delegate: Delegate): Returned = {
+    def wrapFunction(ctx: cask.Request, delegate: Delegate): Returned = {
       delegate(Map("extra" -> 31337))
     }
   }
diff --git a/example/decorated/build.sc b/example/decorated/build.sc
index 2166763..a08b2c6 100644
--- a/example/decorated/build.sc
+++ b/example/decorated/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
   )
 
   object test extends Tests{
diff --git a/example/decorated2/app/src/Decorated2.scala b/example/decorated2/app/src/Decorated2.scala
index 014965e..20526b7 100644
--- a/example/decorated2/app/src/Decorated2.scala
+++ b/example/decorated2/app/src/Decorated2.scala
@@ -4,12 +4,12 @@ object Decorated2 extends cask.MainRoutes{
     override def toString = "[haoyi]"
   }
   class loggedIn extends cask.Decorator {
-    def wrapFunction(ctx: cask.ParamContext, delegate: Delegate): Returned = {
+    def wrapFunction(ctx: cask.Request, delegate: Delegate): Returned = {
       delegate(Map("user" -> new User()))
     }
   }
   class withExtra extends cask.Decorator {
-    def wrapFunction(ctx: cask.ParamContext, delegate: Delegate): Returned = {
+    def wrapFunction(ctx: cask.Request, delegate: Delegate): Returned = {
       delegate(Map("extra" -> 31337))
     }
   }
diff --git a/example/decorated2/build.sc b/example/decorated2/build.sc
index 2166763..a08b2c6 100644
--- a/example/decorated2/build.sc
+++ b/example/decorated2/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
   )
 
   object test extends Tests{
diff --git a/example/endpoints/app/src/Endpoints.scala b/example/endpoints/app/src/Endpoints.scala
index 5450029..b478c80 100644
--- a/example/endpoints/app/src/Endpoints.scala
+++ b/example/endpoints/app/src/Endpoints.scala
@@ -2,7 +2,7 @@ package app
 
 class custom(val path: String, val methods: Seq[String]) extends cask.Endpoint{
   type Output = Int
-  def wrapFunction(ctx: cask.ParamContext, delegate: Delegate): Returned = {
+  def wrapFunction(ctx: cask.Request, delegate: Delegate): Returned = {
     delegate(Map()).map{num =>
       cask.Response("Echo " + num, statusCode = num)
     }
diff --git a/example/endpoints/build.sc b/example/endpoints/build.sc
index 2166763..a08b2c6 100644
--- a/example/endpoints/build.sc
+++ b/example/endpoints/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
   )
 
   object test extends Tests{
diff --git a/example/formJsonPost/build.sc b/example/formJsonPost/build.sc
index 2166763..a08b2c6 100644
--- a/example/formJsonPost/build.sc
+++ b/example/formJsonPost/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
   )
 
   object test extends Tests{
diff --git a/example/httpMethods/build.sc b/example/httpMethods/build.sc
index 2166763..a08b2c6 100644
--- a/example/httpMethods/build.sc
+++ b/example/httpMethods/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
   )
 
   object test extends Tests{
diff --git a/example/minimalApplication/build.sc b/example/minimalApplication/build.sc
index 2166763..a08b2c6 100644
--- a/example/minimalApplication/build.sc
+++ b/example/minimalApplication/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
   )
 
   object test extends Tests{
diff --git a/example/minimalApplication2/build.sc b/example/minimalApplication2/build.sc
index 2166763..a08b2c6 100644
--- a/example/minimalApplication2/build.sc
+++ b/example/minimalApplication2/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
   )
 
   object test extends Tests{
diff --git a/example/redirectAbort/build.sc b/example/redirectAbort/build.sc
index 2166763..a08b2c6 100644
--- a/example/redirectAbort/build.sc
+++ b/example/redirectAbort/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
   )
 
   object test extends Tests{
diff --git a/example/scalatags/build.sc b/example/scalatags/build.sc
index d517c6b..86141e0 100644
--- a/example/scalatags/build.sc
+++ b/example/scalatags/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
     ivy"com.lihaoyi::scalatags:0.6.7",
   )
 
diff --git a/example/staticFiles/build.sc b/example/staticFiles/build.sc
index 00a7ee3..54d1fb5 100644
--- a/example/staticFiles/build.sc
+++ b/example/staticFiles/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
   )
 
   def forkWorkingDir = build.millSourcePath
diff --git a/example/todo/app/src/TodoServer.scala b/example/todo/app/src/TodoServer.scala
index 1a768d1..4adb55c 100644
--- a/example/todo/app/src/TodoServer.scala
+++ b/example/todo/app/src/TodoServer.scala
@@ -17,7 +17,7 @@ object TodoServer extends cask.MainRoutes{
 
   class transactional extends cask.Decorator{
     class TransactionFailed(val value: Router.Result.Error) extends Exception
-    def wrapFunction(pctx: cask.ParamContext, delegate: Delegate): Returned = {
+    def wrapFunction(pctx: cask.Request, delegate: Delegate): Returned = {
       try ctx.transaction(
         delegate(Map()) match{
           case Router.Result.Success(t) => Router.Result.Success(t)
diff --git a/example/todo/build.sc b/example/todo/build.sc
index ca0716a..0f01a14 100644
--- a/example/todo/build.sc
+++ b/example/todo/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
     ivy"org.xerial:sqlite-jdbc:3.18.0",
     ivy"io.getquill::quill-jdbc:2.5.4",
     ivy"com.lihaoyi::scalatags:0.6.7",
diff --git a/example/todoApi/build.sc b/example/todoApi/build.sc
index 2166763..a08b2c6 100644
--- a/example/todoApi/build.sc
+++ b/example/todoApi/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
   )
 
   object test extends Tests{
diff --git a/example/todoDb/app/src/TodoMvcDb.scala b/example/todoDb/app/src/TodoMvcDb.scala
index c566b60..7ce3c50 100644
--- a/example/todoDb/app/src/TodoMvcDb.scala
+++ b/example/todoDb/app/src/TodoMvcDb.scala
@@ -16,7 +16,7 @@ object TodoMvcDb extends cask.MainRoutes{
 
   class transactional extends cask.Decorator{
     class TransactionFailed(val value: Router.Result.Error) extends Exception
-    def wrapFunction(pctx: cask.ParamContext, delegate: Delegate): Returned = {
+    def wrapFunction(pctx: cask.Request, delegate: Delegate): Returned = {
       try ctx.transaction(
         delegate(Map()) match{
           case Router.Result.Success(t) => Router.Result.Success(t)
diff --git a/example/todoDb/build.sc b/example/todoDb/build.sc
index 046e2e1..5bfc599 100644
--- a/example/todoDb/build.sc
+++ b/example/todoDb/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
     ivy"org.xerial:sqlite-jdbc:3.18.0",
     ivy"io.getquill::quill-jdbc:2.5.4"
   )
diff --git a/example/variableRoutes/app/src/VariableRoutes.scala b/example/variableRoutes/app/src/VariableRoutes.scala
index 760ab15..a1c8a4f 100644
--- a/example/variableRoutes/app/src/VariableRoutes.scala
+++ b/example/variableRoutes/app/src/VariableRoutes.scala
@@ -11,8 +11,8 @@ object VariableRoutes extends cask.MainRoutes{
   }
 
   @cask.get("/path", subpath = true)
-  def showSubpath(subPath: cask.Subpath) = {
-    s"Subpath ${subPath.value}"
+  def showSubpath(request: cask.Request) = {
+    s"Subpath ${request.remainingPathSegments}"
   }
 
   initialize()
diff --git a/example/variableRoutes/build.sc b/example/variableRoutes/build.sc
index 2166763..a08b2c6 100644
--- a/example/variableRoutes/build.sc
+++ b/example/variableRoutes/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
   )
 
   object test extends Tests{
diff --git a/example/websockets/build.sc b/example/websockets/build.sc
index 96991eb..aa9fa17 100644
--- a/example/websockets/build.sc
+++ b/example/websockets/build.sc
@@ -4,7 +4,7 @@ import mill._, scalalib._
 trait AppModule extends ScalaModule{
   def scalaVersion = "2.12.6"
   def ivyDeps = Agg(
-    ivy"com.lihaoyi::cask:0.1.0",
+    ivy"com.lihaoyi::cask:0.1.1",
   )
 
   object test extends Tests{
-- 
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