Trait upcast::Upcast

pub trait Upcast<U: ?Sized> {
    fn up(&self) -> &U;
    fn up_mut(&mut self) -> &mut U;
}

Use this trait to perform your upcasts on dyn traits. Make sure to require it in the supertrait!

Required methods

fn up(&self) -> &U

fn up_mut(&mut self) -> &mut U

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Implementors

impl<T: ?Sized, U: ?Sized> Upcast<U> for T where
    U: UpcastFrom<T>, 

fn up(&self) -> &U

fn up_mut(&mut self) -> &mut U

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