sdk/lib/core/map.dart - Issue 24267023: Update implementations to use Object.identityHashCode for identity map/set

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Unified Diff: sdk/lib/core/map.dart

Issue 24267023: Update implementations to use Object.identityHashCode for identity map/set (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Address comments. Add tests. Fix few bugs now that it can run. Created 7 years, 3 months ago

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Index: sdk/lib/core/map.dart

diff --git a/sdk/lib/core/map.dart b/sdk/lib/core/map.dart

index fd3fd01560a67956f5ca7591dc2e2d318d6c01ea..db187f5fd273a2d3a3f5dfc565d390dfe91b446a 100644

--- a/sdk/lib/core/map.dart

+++ b/sdk/lib/core/map.dart

@@ -22,6 +22,11 @@ abstract class Map<K, V> {

factory Map.from(Map<K, V> other) = LinkedHashMap<K, V>.from;

/**

+ * Creates an identity map with the default implementation.

+ */

+ factory Map.identity() = LinkedHashMap<K, V>.identity;

+ /**

* Creates a Map instance

* where the keys and values are computed from the [iterable].

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