microsoft / microsoft/STL

LWG-4158 `packaged_task::operator=` should abandon its shared state

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LWG
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Description

LWG-4158 packaged_task::operator= should abandon its shared state

It looks like we've already implemented this for operator=(promise&&), but not for operator=(packaged_task&&).

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First steps

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  4. Open a pull request that references the issue number.

Research direction

Compare the existing operator=(promise&&) implementation with operator=(packaged_task&&), as identified in the issue, and trace how each handles its shared state. Confirm the expected behavior from LWG-4158 and verify that packaged_task assignment abandons its previous shared state in the relevant tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
backend
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
55/100

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