[−][src]Trait type_variance::Variance

pub trait Variance: Default + Sealed { }

A sealed trait implemented by Covariant<T>, Contravariant<T>, and Invariant<T>.

Implementors

`impl<T: ?Sized> Variance for Contravariant<T>`[src]

`impl<T: ?Sized> Variance for Covariant<T>`[src]

`impl<T: ?Sized> Variance for Invariant<T>`[src]

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