add feature gate for managed boxes #9923
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cc #7803 |
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Hold off on this for further discussion. |
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It's on the meeting agenda for next week. |
I'll flip this on after doing a snapshot. This syntax may or may not stay around, and managed boxes are currently not very useful. They have the same overall performance characteristics as `std::rc::Rc`, but are significantly slower, allocate larger boxes and hold onto the memory beyond when it is needed due to lacking move semantics. There are currently two useful aspects of the type: * the dereference sugar, which we should implement for `Rc` * the annihilator freeing cycles at the end of the task
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I'll flip this on after doing a snapshot. This syntax may or may not stay around, and managed boxes are currently not very useful. They have the same overall performance characteristics as `std::rc::Rc`, but are significantly slower, allocate larger boxes and hold onto the memory beyond when it is needed due to lacking move semantics. There are currently two useful aspects of the type: * the dereference sugar, which we should implement for `Rc` * the annihilator freeing cycles at the end of the task
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I'll flip this on after doing a snapshot. This syntax may or may not
stay around, and managed boxes are currently not very useful. They have
the same overall performance characteristics as
std::rc::Rc, but aresignificantly slower, allocate larger boxes and hold onto the memory
beyond when it is needed due to lacking move semantics.
There are currently two useful aspects of the type:
Rc