[dajiaohuang]

Summary

• Clear the popped element slot in priorityHeap.Pop so the backing array does not retain the removed reference.
• Restore the existing finalizer tests and ExampleBlocking, and add a priority Get reference-release regression alongside those tests.
• Rebase on current main as requested.

Validation

• A non-race shuffled coverage run reported 100.0% statement coverage but failed because ExampleBlocking printed 2ms instead of 1ms on Windows. Reported separately in ExampleBlocking elapsed-time output varies on Windows #92 as requested.
• make lint and make test-coverage were not run: make, golangci-lint, and a C compiler are unavailable on PATH. The earlier head's validation does not apply to this revision.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (ab5bf8f) to head (0898838).

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #90   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            6         6           
  Lines          550       552    +2     
=========================================
+ Hits           550       552    +2     

Flag	Coverage Δ
unittests	100.00% <100.00%> (ø)

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[adrianbrad]

Thanks, the Pop fix is right and matches what the Delay heap and Blocking.Get already do. I'd like to merge it, but please narrow the PR to that change:

1. Keep the priority.go change. Add a blank line between var zero T and h.elems[n-1] = zero (wsl), the same as delay.go.
2. Restore the finalizer tests in blocking_test.go, circular_test.go and priority_test.go, and the original ExampleBlocking. They pass in CI and they test what users care about, which is that the element can be collected, rather than private fields. If they're flaky on Windows, please open an issue with the failure output and I'll handle it separately.
3. Add the regression test to priority_test.go as testPriorityGetReleasesReference, following testBlockingGetReleasesReference, and remove the three *_memory_test.go files.
4. Rebase on main. The other 6 lint errors (marshal-receiver, gofumpt) were already on main and are fixed by ci(lint): pin golangci-lint and fix issues from v2.15.0 #91. You'll get a small conflict in priorityHeap.Pop; keep your version. Then run make lint and make test-coverage.

[adrianbrad]

Thanks for the fix and the regression test. I pushed a small commit adding the blank lines wsl_v5 requires so Lint goes green.

One non-blocking note for a follow-up: the comment inside Priority.Reset still says Pop leaves references past the new length, which this PR now prevents, so it could be reworded.