Expose function contained in GenericTypeAliasImpl.

pkg/analyzer/lib/dart/element/element.dart

Index: pkg/analyzer/lib/dart/element/element.dart
diff --git a/pkg/analyzer/lib/dart/element/element.dart b/pkg/analyzer/lib/dart/element/element.dart
index 853cf841bf15c5df5b7550d9e991143178935aec..34d52a69c04df779a4670af38bdbcfb39b8fd52c 100644
--- a/pkg/analyzer/lib/dart/element/element.dart
+++ b/pkg/analyzer/lib/dart/element/element.dart
@@ -1333,6 +1333,18 @@ abstract class FunctionTypedElement implements TypeParameterizedElement {
 abstract class GenericFunctionTypeElement implements FunctionTypedElement {}
 
 /**
+ * A [FunctionTypeAliasElement] whose returned function type has a [type]
+ * parameter.
+ */

[Brian Wilkerson, 2017/03/30 14:43:50]

Please add the disclaimer:

  Clients may not extend, implement or mix-in this class.

I see that I forgot to add this to GenericFunctionTypeElement, so it would be
great if you could add it there too.

[jcollins, 2017/03/30 15:19:35]

Done.

+abstract class GenericTypeAliasElement implements FunctionTypeAliasElement {
+  /**
+   * Return the generic function type element representing the generic function
+   * type on the right side of the equals.
+   */
+  GenericFunctionTypeElement get function;
+}
+
+/**
  * A combinator that causes some of the names in a namespace to be hidden when
  * being imported.
  *