sync_wait() remove extra move constructor call #302
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User @baderouaich identified that libcoro's sync_wait on a complex object would invoke an extra move constructor that other coroutine libraries did not. This change now correctly forwards the return_value into the promise if the object is move constructible instead of double moving. Closes #286
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User @baderouaich identified that libcoro's sync_wait on a complex object would invoke an extra move constructor that other coroutine libraries did not. This change now correctly forwards the return_value into the promise if the object is move constructible instead of double moving.
Closes #286