Trait downcast::Downcast

pub trait Downcast<T>: Any where
    T: Any, {
    fn is_type(&self) -> bool { ... }
    unsafe fn downcast_ref_unchecked(&self) -> &T { ... }
    fn downcast_ref(&self) -> Result<&T, TypeMismatch> { ... }
    unsafe fn downcast_mut_unchecked(&mut self) -> &mut T { ... }
    fn downcast_mut(&mut self) -> Result<&mut T, TypeMismatch> { ... }
    unsafe fn downcast_unchecked(self: Box<Self>) -> Box<T> { ... }
    fn downcast(self: Box<Self>) -> Result<Box<T>, DowncastError<Box<Self>>> { ... }
}

Provided methods

fn is_type(&self) -> bool

Important traits for &'a mut W

impl<'a, W> Write for &'a mut W where
    W: Write + ?Sized, impl<'a, R> Read for &'a mut R where
    R: Read + ?Sized, impl<'_, I> Iterator for &'_ mut I where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

unsafe fn downcast_ref_unchecked(&self) -> &T

fn downcast_ref(&self) -> Result<&T, TypeMismatch>

Important traits for &'a mut W

impl<'a, W> Write for &'a mut W where
    W: Write + ?Sized, impl<'a, R> Read for &'a mut R where
    R: Read + ?Sized, impl<'_, I> Iterator for &'_ mut I where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

unsafe fn downcast_mut_unchecked(&mut self) -> &mut T

fn downcast_mut(&mut self) -> Result<&mut T, TypeMismatch>

Important traits for Box<W>

impl<W> Write for Box<W> where
    W: Write + ?Sized, impl<R> Read for Box<R> where
    R: Read + ?Sized, impl<I> Iterator for Box<I> where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

unsafe fn downcast_unchecked(self: Box<Self>) -> Box<T>

fn downcast(self: Box<Self>) -> Result<Box<T>, DowncastError<Box<Self>>>

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Implementors

impl<_T: Any> Downcast<_T> for dyn Any + Send + Sync where
    _T: Any, 

fn is_type(&self) -> bool

Important traits for &'a mut W

impl<'a, W> Write for &'a mut W where
    W: Write + ?Sized, impl<'a, R> Read for &'a mut R where
    R: Read + ?Sized, impl<'_, I> Iterator for &'_ mut I where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

unsafe fn downcast_ref_unchecked(&self) -> &T

fn downcast_ref(&self) -> Result<&T, TypeMismatch>

Important traits for &'a mut W

impl<'a, W> Write for &'a mut W where
    W: Write + ?Sized, impl<'a, R> Read for &'a mut R where
    R: Read + ?Sized, impl<'_, I> Iterator for &'_ mut I where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

unsafe fn downcast_mut_unchecked(&mut self) -> &mut T

fn downcast_mut(&mut self) -> Result<&mut T, TypeMismatch>

Important traits for Box<W>

impl<W> Write for Box<W> where
    W: Write + ?Sized, impl<R> Read for Box<R> where
    R: Read + ?Sized, impl<I> Iterator for Box<I> where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

unsafe fn downcast_unchecked(self: Box<Self>) -> Box<T>

fn downcast(self: Box<Self>) -> Result<Box<T>, DowncastError<Box<Self>>>

impl<_T: Any> Downcast<_T> for dyn Any + Send where
    _T: Any, 

fn is_type(&self) -> bool

Important traits for &'a mut W

impl<'a, W> Write for &'a mut W where
    W: Write + ?Sized, impl<'a, R> Read for &'a mut R where
    R: Read + ?Sized, impl<'_, I> Iterator for &'_ mut I where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

unsafe fn downcast_ref_unchecked(&self) -> &T

fn downcast_ref(&self) -> Result<&T, TypeMismatch>

Important traits for &'a mut W

impl<'a, W> Write for &'a mut W where
    W: Write + ?Sized, impl<'a, R> Read for &'a mut R where
    R: Read + ?Sized, impl<'_, I> Iterator for &'_ mut I where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

unsafe fn downcast_mut_unchecked(&mut self) -> &mut T

fn downcast_mut(&mut self) -> Result<&mut T, TypeMismatch>

Important traits for Box<W>

impl<W> Write for Box<W> where
    W: Write + ?Sized, impl<R> Read for Box<R> where
    R: Read + ?Sized, impl<I> Iterator for Box<I> where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

unsafe fn downcast_unchecked(self: Box<Self>) -> Box<T>

fn downcast(self: Box<Self>) -> Result<Box<T>, DowncastError<Box<Self>>>

impl<_T: Any> Downcast<_T> for dyn Any + Sync where
    _T: Any, 

fn is_type(&self) -> bool

Important traits for &'a mut W

impl<'a, W> Write for &'a mut W where
    W: Write + ?Sized, impl<'a, R> Read for &'a mut R where
    R: Read + ?Sized, impl<'_, I> Iterator for &'_ mut I where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

unsafe fn downcast_ref_unchecked(&self) -> &T

fn downcast_ref(&self) -> Result<&T, TypeMismatch>

Important traits for &'a mut W

impl<'a, W> Write for &'a mut W where
    W: Write + ?Sized, impl<'a, R> Read for &'a mut R where
    R: Read + ?Sized, impl<'_, I> Iterator for &'_ mut I where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

unsafe fn downcast_mut_unchecked(&mut self) -> &mut T

fn downcast_mut(&mut self) -> Result<&mut T, TypeMismatch>

Important traits for Box<W>

impl<W> Write for Box<W> where
    W: Write + ?Sized, impl<R> Read for Box<R> where
    R: Read + ?Sized, impl<I> Iterator for Box<I> where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

unsafe fn downcast_unchecked(self: Box<Self>) -> Box<T>

fn downcast(self: Box<Self>) -> Result<Box<T>, DowncastError<Box<Self>>>

impl<_T: Any> Downcast<_T> for dyn Any where
    _T: Any, 

fn is_type(&self) -> bool

Important traits for &'a mut W

impl<'a, W> Write for &'a mut W where
    W: Write + ?Sized, impl<'a, R> Read for &'a mut R where
    R: Read + ?Sized, impl<'_, I> Iterator for &'_ mut I where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

unsafe fn downcast_ref_unchecked(&self) -> &T

fn downcast_ref(&self) -> Result<&T, TypeMismatch>

Important traits for &'a mut W

impl<'a, W> Write for &'a mut W where
    W: Write + ?Sized, impl<'a, R> Read for &'a mut R where
    R: Read + ?Sized, impl<'_, I> Iterator for &'_ mut I where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

unsafe fn downcast_mut_unchecked(&mut self) -> &mut T

fn downcast_mut(&mut self) -> Result<&mut T, TypeMismatch>

Important traits for Box<W>

impl<W> Write for Box<W> where
    W: Write + ?Sized, impl<R> Read for Box<R> where
    R: Read + ?Sized, impl<I> Iterator for Box<I> where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

unsafe fn downcast_unchecked(self: Box<Self>) -> Box<T>

fn downcast(self: Box<Self>) -> Result<Box<T>, DowncastError<Box<Self>>>

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