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[vm/doc] Add examples to WeakReference and NativeFinalizer take 2

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Change-Id: Iabafdcc45052bf76f4d13e32566149efd8f71adf
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/243263
Commit-Queue: Michael Thomsen <mit@google.com>
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Michael Thomsen <mit@google.com>
This commit is contained in:
Daco Harkes 2022-05-02 12:16:39 +00:00 committed by Commit Bot
parent 8c390e55d5
commit eeb8b3a343
1 changed files with 6 additions and 6 deletions
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12
sdk/lib/core/weak.dart
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@ -93,8 +93,8 @@ class Expando<T extends Object> {
/// /// ```
/// /// final cached = CachedComputation(
/// /// () => jsonDecode(someJsonSource) as Object);
/// /// print(cached.result);
/// /// print(cached.result);
/// /// print(cached.result); // Executes computation.
/// /// print(cached.result); // Most likely uses cache.
/// /// ```
/// class CachedComputation<R extends Object> {
/// final R Function() computation;
@ -164,8 +164,8 @@ abstract class WeakReference<T extends Object> {
/// factory Database.connect() {
/// // Wraps the connection in a nice user API,
/// // *and* closes connection if the user forgets to.
/// var connection = DBConnection.connect();
/// var wrapper = Database._fromConnection(connection);
/// final connection = DBConnection.connect();
/// final wrapper = Database._fromConnection(connection);
/// // Get finalizer callback when `wrapper` is no longer reachable.
/// _finalizer.attach(wrapper, connection, detach: wrapper);
/// return wrapper;
@ -253,8 +253,8 @@ abstract class Finalizer<T> {
/// factory Database.connect() {
/// // Wraps the connection in a nice user API,
/// // *and* closes connection if the user forgets to.
/// var connection = DBConnection.connect();
/// var wrapper = Database._fromConnection();
/// final connection = DBConnection.connect();
/// final wrapper = Database._fromConnection();
/// // Get finalizer callback when `wrapper` is no longer reachable.
/// _finalizer.attach(wrapper, connection, detach: wrapper);
/// return wrapper;