Make AllocRef implementation optional behind new `alloc_ref` feature

rust-osdev / linked-list-allocator

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Make AllocRef implementation optional behind new `alloc_ref` feature #27

Closed phil-opp closed 4 years ago

phil-opp commented 4 years ago

The AllocRef trait repeatedly changed and caused breakage recently (see #24 and #19). For this reason, I think it's better to make this feature optional so that users that only need the LockedHeap type don't experience possible future breaking changes of the AllocRef trait.

cc #25

phil-opp commented 4 years ago

Released together with #25 as v0.8.0.