stackoverflow July 23, 2025 Rep: 41

Why does it crash when calling coroutine_handle.destroy while using coroutines in C++20?

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July 23, 2025 Score: 5 Rep: 20,624 Quality: Low Completeness: 40%

handle.destroy() requires handle to refer to a suspended coroutine. Since your promise type's finalsuspend returns suspendnever, the coroutine will not be suspended after coreturn is executed.

Consider making finalsuspend return suspend_always instead.

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Why does it crash when calling coroutine_handle.destroy while using coroutines in C++20?

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