[−][src]Trait cast_trait_object::DynCastExtHelper

pub trait DynCastExtHelper<T: ?Sized> {
    type Target;
    type Source;
    type Config;
    pub fn _dyn_cast(self) -> Result<Self::Target, Self::Source>;
}

Used to implement DynCastExt.

Associated Types

type Target[src]

The wanted trait object that is returned if the cast succeeded.

type Source[src]

The original trait object that is returned if the cast failed.

type Config[src]

The DynCastConfig that is used to preform the conversion.

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Required methods

pub fn _dyn_cast(self) -> Result<Self::Target, Self::Source>[src]

This method is used to cast from one trait object type to another.

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Implementations on Foreign Types

impl<'a, T: ?Sized, F: ?Sized> DynCastExtHelper<T> for Box<F> where
    T: 'static,
    F: 'static + DynCast<<F as GetDynCastConfig<T>>::Config> + GetDynCastConfig<T>, [src]

This is supported on crate feature alloc only.

type Target = Box<T>

type Source = Box<F>

type Config = <F as GetDynCastConfig<T>>::Config

impl<'a, T: ?Sized, F: ?Sized> DynCastExtHelper<T> for Rc<F> where
    T: 'static,
    F: 'static + DynCast<<F as GetDynCastConfig<T>>::Config> + GetDynCastConfig<T>, [src]

This is supported on crate feature alloc only.

type Target = Rc<T>

type Source = Rc<F>

type Config = <F as GetDynCastConfig<T>>::Config

impl<'a, T: ?Sized, F: ?Sized> DynCastExtHelper<T> for Arc<F> where
    T: 'static,
    F: 'static + DynCast<<F as GetDynCastConfig<T>>::Config> + GetDynCastConfig<T>, [src]

This is supported on crate feature alloc only.

type Target = Arc<T>

type Source = Arc<F>

type Config = <F as GetDynCastConfig<T>>::Config

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Implementors

impl<'a, T: ?Sized, F: ?Sized> DynCastExtHelper<T> for &'a F where
    T: 'static,
    F: 'static + DynCast<<F as GetDynCastConfig<T>>::Config> + GetDynCastConfig<T>, [src]

type Target = &'a T

type Source = &'a F

type Config = <F as GetDynCastConfig<T>>::Config

impl<'a, T: ?Sized, F: ?Sized> DynCastExtHelper<T> for &'a mut F where
    T: 'static,
    F: 'static + DynCast<<F as GetDynCastConfig<T>>::Config> + GetDynCastConfig<T>, [src]

type Target = &'a mut T

type Source = &'a mut F

type Config = <F as GetDynCastConfig<T>>::Config

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