Trait chainerror::ChainErrorDown[−][src]

pub trait ChainErrorDown {
    fn is_chain<T: 'static + Display + Debug>(&self) -> bool;

    fn downcast_chain_ref<T: 'static + Display + Debug>(
        &self
    ) -> Option<&ChainError<T>>;

    fn downcast_chain_mut<T: 'static + Display + Debug>(
        &mut self
    ) -> Option<&mut ChainError<T>>;

    fn downcast_inner_ref<T: 'static + Error>(&self) -> Option<&T>;

    fn downcast_inner_mut<T: 'static + Error>(&mut self) -> Option<&mut T>;
}

Convenience trait to hide the ChainError<T> implementation internals

Required methods

fn is_chain<T: 'static + Display + Debug>(&self) -> bool[src]

Test if of type ChainError<T>

fn downcast_chain_ref<T: 'static + Display + Debug>(
    &self
) -> Option<&ChainError<T>>[src]

Downcast to a reference of ChainError<T>

fn downcast_chain_mut<T: 'static + Display + Debug>(
    &mut self
) -> Option<&mut ChainError<T>>[src]

Downcast to a mutable reference of ChainError<T>

fn downcast_inner_ref<T: 'static + Error>(&self) -> Option<&T>[src]

Downcast to T of ChainError<T>

fn downcast_inner_mut<T: 'static + Error>(&mut self) -> Option<&mut T>[src]

Downcast to T mutable reference of ChainError<T>

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Implementations on Foreign Types

impl ChainErrorDown for dyn Error + 'static[src]

impl ChainErrorDown for dyn Error + Send + 'static[src]

impl ChainErrorDown for dyn Error + Send + Sync + 'static[src]

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Implementors

impl<U: 'static + Display + Debug> ChainErrorDown for ChainError<U>[src]

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