Trait AnyHash 

pub trait AnyHash: Any {
    // Required methods
    fn debug(&self, f: &mut Formatter<'_>) -> Result;
    fn eq(&self, other: &dyn AnyHash) -> bool;
    fn hash(&self, hasher: &mut dyn Hasher);
}

Object-safe trait for dynamically typed hashable keys.

All Eq + Hash + 'static types automatically implement this trait.

On nightly, if the inner value implements Debug, then Debug for AnyHash will use that implementation. Otherwise, it will only show a generic message.

Required Methods

fn debug(&self, f: &mut Formatter<'_>) -> Result

fn eq(&self, other: &dyn AnyHash) -> bool

fn hash(&self, hasher: &mut dyn Hasher)

Implementations

impl dyn AnyHash

pub fn is<T: AnyHash>(&self) -> bool

Returns true if the boxed type is the same as T

pub fn downcast_ref<T: AnyHash>(&self) -> Option<&T>

Returns some reference to the boxed value if it is of type T, or None if it isn’t.

pub unsafe fn downcast_ref_unchecked<T: AnyHash>(&self) -> &T

Returns a reference to the boxed value, blindly assuming it to be of type T. If you are not absolutely certain of T, you must not call this.

pub fn downcast_mut<T: AnyHash>(&mut self) -> Option<&mut T>

Returns some mutable reference to the boxed value if it is of type T, or None if it isn’t.

pub unsafe fn downcast_mut_unchecked<T: AnyHash>(&mut self) -> &mut T

Returns a mutable reference to the boxed value, blindly assuming it to be of type T. If you are not absolutely certain of T, you must not call this.

impl dyn AnyHash

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

Returns the boxed value if it is of type T, or Err(Self) if it isn’t.

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

Returns the boxed value, blindly assuming it to be of type T. If you are not absolutely certain of T, you must not call this.

Trait Implementations

impl Debug for dyn AnyHash

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Debug for dyn AnyHash + Send

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Debug for dyn AnyHash + Send + Sync

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Hash for dyn AnyHash

fn hash<H: Hasher>(&self, hasher: &mut H)

Feeds this value into the given Hasher.

impl Hash for dyn AnyHash + Send

fn hash<H: Hasher>(&self, hasher: &mut H)

Feeds this value into the given Hasher.

impl Hash for dyn AnyHash + Send + Sync

fn hash<H: Hasher>(&self, hasher: &mut H)

Feeds this value into the given Hasher.

impl PartialEq for dyn AnyHash

fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq for dyn AnyHash + Send

fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq for dyn AnyHash + Send + Sync

fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for dyn AnyHash

impl Eq for dyn AnyHash + Send

impl Eq for dyn AnyHash + Send + Sync

Implementors

impl<T: Eq + Hash + 'static> AnyHash for T