Stop using the Hashable interface.

tests/language/core_type_check_test.dart

Index: tests/language/core_type_check_test.dart
diff --git a/tests/language/core_type_check_test.dart b/tests/language/core_type_check_test.dart
index 5d8b60f1f81f5265f956e63670eb924b27b81381..4c8c8610ff57a125b936815f9b31e63e6b4e7349 100644
--- a/tests/language/core_type_check_test.dart
+++ b/tests/language/core_type_check_test.dart
@@ -2,9 +2,8 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-check(value, expectComparable, expectHashable, expectPattern) {
+check(value, expectComparable, expectPattern) {
   Expect.equals(expectComparable, value is Comparable);
-  Expect.equals(expectHashable, value is Hashable);
   Expect.equals(expectPattern, value is Pattern);
 }
 
@@ -13,38 +12,26 @@ int inscrutable(int x) => x == 0 ? 0 : x | inscrutable(x & (x - 1));
 class A implements Comparable {
 }
 
-class B implements Hashable {
+class B {
 }
 
-class C implements Comparable, Hashable {
+class C implements Pattern {
 }
 
-class D implements Pattern {
-}
-
-class E implements Pattern, Comparable {
-}
-
-class F implements Pattern, Hashable {
-}
-
-class G implements Pattern, Hashable, Comparable {
+class D implements Pattern, Comparable {
 }
 
 main() {
   var things = [[], 4, 4.2, 'foo', new Object(), new A(), new B(),
-                new C(), new D(), new E(), new F(), new G()];
-
-  check(things[inscrutable(0)], false, false, false); // List
-  check(things[inscrutable(1)], true, true, false); // int
-  check(things[inscrutable(2)], true, true, false); // num
-  check(things[inscrutable(3)], true, true, true); // string
-  check(things[inscrutable(4)], false, false, false); // Object
-  check(things[inscrutable(5)], true, false, false); // A
-  check(things[inscrutable(6)], false, true, false); // B
-  check(things[inscrutable(7)], true, true, false); // C
-  check(things[inscrutable(8)], false, false, true); // D
-  check(things[inscrutable(9)], true, false, true); // E
-  check(things[inscrutable(10)], false, true, true); // F
-  check(things[inscrutable(11)], true, true, true); // G
+                new C(), new D()];
+
+  check(things[inscrutable(0)], false, false); // List
+  check(things[inscrutable(1)], true, false); // int
+  check(things[inscrutable(2)], true, false); // num
+  check(things[inscrutable(3)], true, true); // string
+  check(things[inscrutable(4)], false, false); // Object
+  check(things[inscrutable(5)], true, false); // A
+  check(things[inscrutable(6)], false, false); // B
+  check(things[inscrutable(7)], false, true); // C
+  check(things[inscrutable(8)], true, true); // D
 }