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Ensure std::mem::Discriminant is Send + Sync #45095

Merged
merged 1 commit into from
Oct 10, 2017
Merged

Ensure std::mem::Discriminant is Send + Sync #45095

merged 1 commit into from
Oct 10, 2017

Commits on Oct 7, 2017

  1. core: Ensure std::mem::Discriminant is Send + Sync 

    `PhantomData<*const T>` has the implication of Send / Syncness following
the *const T type, but the discriminant should always be Send and Sync.

Use `PhantomData<fn() -> T>` which has the same variance in T, but is Send + Sync
    @bluss
    bluss committed Oct 7, 2017
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