runtime/lib/array_patch.dart - Issue 1056353004: Add List.unmodifiable constructor.

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Unified Diff: runtime/lib/array_patch.dart

Issue 1056353004: Add List.unmodifiable constructor. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Remove left-over debug coide. Created 5 years, 8 months ago

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Index: runtime/lib/array_patch.dart

diff --git a/runtime/lib/array_patch.dart b/runtime/lib/array_patch.dart

index 37c697c9d3ddd0524c7cf9a69f602e1de6e0323b..109938bf9d2070ce26c6688a610ce310c8c88365 100644

--- a/runtime/lib/array_patch.dart

+++ b/runtime/lib/array_patch.dart

@@ -48,6 +48,11 @@ patch class List<E> {

return makeListFixedLength(list);

}

+ /* patch */ factory List.unmodifiable(Iterable elements) {

+ List result = new List<E>.from(elements, growable: false);

+ return makeFixedListUnmodifiable(result);

+ }

// Factory constructing a mutable List from a parser generated List literal.

// [elements] contains elements that are already type checked.

factory List._fromLiteral(List elements) {