Remove req.inject

CHANGELOG.md

@@ -30,7 +30,8 @@ replaced with `parseBody`, `parseUploadedFiles`, and `parseRawRequestBuffer`, re
 * Removed the synchronous equivalents of the above methods (`body`, `files`, and `originalBuffer`),
 as well as `query`.
 * Removed `Angel.injections` and `RequestContext.injections`.
-* Removed `Angel.inject`.
+* Removed `Angel.inject` and `RequestContext.inject`.
 * Removed a dependency on `package:pool`, which also meant removing `AngelHttp.throttle`.
 * Remove the `RequestMiddleware` typedef; from now on, one should use `ResponseContext.end`
 exclusively to close responses.
+* `waterfall` will now only accept `RequestHandler`.

lib/src/core/request_context.dart

@@ -112,17 +112,6 @@ abstract class RequestContext<RawRequest> {
     }
   }
 
-  /// Shorthand to add to [_injections].
-  void inject(type, value) {
-    if (!app.isProduction && type is Type) {
-      if (!reflect(value).type.isAssignableTo(reflectType(type)))
-        throw new ArgumentError(
-            'Cannot inject $value (${value.runtimeType}) as an instance of $type.');
-    }
-
-    _injections[type] = value;
-  }
-
   /// Returns `true` if the client's `Accept` header indicates that the given [contentType] is considered a valid response.
   ///
   /// You cannot provide a `null` [contentType].