Is Contravariant and always Send/Sync. Construct with let x = PhantomData
.
Is Contravariant and is Send/Sync if and only if T is. Construct with let x = PhantomData
.
Is Contravariant and never Send/Sync. Construct with let x = PhantomData
.
Is Covariant and always Send/Sync. Construct with let x = PhantomData
.
Is Covariant and is Send/Sync if and only if T is. Construct with let x = PhantomData
.
Is Covariant and never Send/Sync. Construct with let x = PhantomData
.
Is Invariant and always Send/Sync. Construct with let x = PhantomData
.
Is Invariant and is Send/Sync if and only if T is. Construct with let x = PhantomData
.
Is Invariant and never Send/Sync. Construct with let x = PhantomData
.