dartfmt and redo comments

Author: jcollins-g

lib/src/element_type.dart

@@ -100,9 +100,7 @@ class ElementType extends Privacy {
       } else {
         typeArguments = type.typeFormals.map((f) => f.type);
       }
-      return typeArguments
-          .map(_getElementTypeFrom)
-          .toList();
+      return typeArguments.map(_getElementTypeFrom).toList();
     } else {
       return (_type as ParameterizedType)
           .typeArguments

lib/src/model.dart

@@ -563,9 +563,11 @@ class Class extends ModelElement
 
   Map<String, List<ModelElement>> _membersByName;
 
+  /// Given a ModelElement that is a member of some other class, return
+  /// a member of this class that has the same name and return type.
+  ///
   /// This enables object substitution for canonicalization, such as Interceptor
-  /// for Object.  Uses the name of the ModelElement and its type to retrieve a
-  /// matching ModelElement.
+  /// for Object.
   ModelElement memberByExample(ModelElement example) {
     if (_membersByName == null) {
       _membersByName = new Map();
@@ -579,11 +581,10 @@ class Class extends ModelElement
     Iterable<ModelElement> possibleMembers = _membersByName[example.name]
         .where((e) => e.runtimeType == example.runtimeType);
     if (example.runtimeType == Accessor) {
-      member = possibleMembers.singleWhere(
+      possibleMembers = possibleMembers.where(
           (e) => (example as Accessor).isGetter == (e as Accessor).isGetter);
-    } else {
-      member = possibleMembers.first;
     }
+    member = possibleMembers.first;
     assert(possibleMembers.length == 1);
     return member;
   }