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[ffi] named Arena parameter in using() function #2767

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[ffi] named Arena parameter in using() function #2767

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1571094
named Arena parameter
josxha Nov 8, 2025
b423fa2
bump version to 2.1.5, add changelog entry, add parameter name for re…
josxha Nov 11, 2025
fe71632
Merge branch 'main' into named-parameter-for-using
josxha Nov 11, 2025
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3 changes: 2 additions & 1 deletion pkgs/ffi/CHANGELOG.md
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
## 2.1.5-wip
## 2.1.5

- Update to the latest lints.
- Add default parameter names for callbacks.

## 2.1.4

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4 changes: 2 additions & 2 deletions pkgs/ffi/lib/src/arena.dart
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Expand Up @@ -60,7 +60,7 @@ class Arena implements Allocator {
///
/// Returns [resource] again, to allow for easily inserting
/// `arena.using(resource, ...)` where the resource is allocated.
T using<T>(T resource, void Function(T) releaseCallback) {
T using<T>(T resource, void Function(T res) releaseCallback) {
_ensureInUse();
releaseCallback = Zone.current.bindUnaryCallback(releaseCallback);
_managedResourceReleaseCallbacks.add(() => releaseCallback(resource));
Expand Down Expand Up @@ -118,7 +118,7 @@ class Arena implements Allocator {
/// If the isolate is shut down, through `Isolate.kill()`, resources are _not_
/// cleaned up.
R using<R>(
R Function(Arena) computation, [
R Function(Arena arena) computation, [
Allocator wrappedAllocator = calloc,
]) {
final arena = Arena(wrappedAllocator);
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