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Unified Diff: runtime/lib/map_patch.dart

Issue 1127533002: Add Map.unmodifiable constructor. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 5 years, 8 months ago
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« runtime/lib/core_patch.dart ('K') | « runtime/lib/integers_patch.dart ('k') | sdk/lib/_internal/compiler/js_lib/constant_map.dart » ('j') | sdk/lib/_internal/compiler/js_lib/constant_map.dart » ('J')
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Index: runtime/lib/map_patch.dart
diff --git a/runtime/lib/map_patch.dart b/runtime/lib/map_patch.dart
index e7238281d0ec5fc08c9c208e295e5768380b50b1..682ba0362db7a25accb86deab097cf079442e997 100644
--- a/runtime/lib/map_patch.dart
+++ b/runtime/lib/map_patch.dart
@@ -16,4 +16,8 @@ patch class Map<K, V> {
}
return map;
}
+
+ /* patch */ factory Map.unmodifiable(Map other) {
+ return new UnmodifiableMapView<K, V>(new Map.from(other));
+ }
}
« runtime/lib/core_patch.dart ('K') | « runtime/lib/integers_patch.dart ('k') | sdk/lib/_internal/compiler/js_lib/constant_map.dart » ('j') | sdk/lib/_internal/compiler/js_lib/constant_map.dart » ('J')

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