Trait objc2::rc::AutoreleaseSafe

source · [−]
pub unsafe trait AutoreleaseSafe { }
Expand description

Marks types that are safe to pass across the closure in an autoreleasepool.

With the unstable-autoreleasesafe feature enabled, this is an auto trait that is implemented for all types except AutoreleasePool.

Otherwise it is just a dummy trait that is implemented for all types; the safety invariants are checked with debug assertions instead.

You should not normally need to implement this trait yourself.

Safety

Must not be implemented for types that interract with the autorelease pool. So if you reimplement the AutoreleasePool struct or likewise, this should be negatively implemented for that.

This can easily be accomplished with an PhantomData<AutoreleasePool> if the unstable-autoreleasesafe feature is enabled.

Implementors