Trait core::hash::Hash

pub trait Hash {
    fn hash<H: Hasher>(&self, state: &mut H);

    fn hash_slice<H: Hasher>(data: &[Self], state: &mut H)
    where
        Self: Sized,
    { ... }
}

A hashable type.

Types implementing Hash are able to be hashed with an instance of Hasher.

Implementing Hash

You can derive Hash with #[derive(Hash)] if all fields implement Hash. The resulting hash will be the combination of the values from calling hash on each field.

#[derive(Hash)]
struct Rustacean {
    name: String,
    country: String,
}

If you need more control over how a value is hashed, you can of course implement the Hash trait yourself:

use std::hash::{Hash, Hasher};

struct Person {
    id: u32,
    name: String,
    phone: u64,
}

impl Hash for Person {
    fn hash<H: Hasher>(&self, state: &mut H) {
        self.id.hash(state);
        self.phone.hash(state);
    }
}

Hash and Eq

When implementing both Hash and Eq, it is important that the following property holds:

k1 == k2 -> hash(k1) == hash(k2)

In other words, if two keys are equal, their hashes must also be equal. HashMap and HashSet both rely on this behavior.

Thankfully, you won't need to worry about upholding this property when deriving both Eq and Hash with #[derive(PartialEq, Eq, Hash)].

Required Methods

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

Feeds this value into the given Hasher.

Examples

use std::collections::hash_map::DefaultHasher;
use std::hash::{Hash, Hasher};

let mut hasher = DefaultHasher::new();
7920.hash(&mut hasher);
println!("Hash is {:x}!", hasher.finish());

Provided Methods

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where
    Self: Sized, 

Feeds a slice of this type into the given Hasher.

Examples

use std::collections::hash_map::DefaultHasher;
use std::hash::{Hash, Hasher};

let mut hasher = DefaultHasher::new();
let numbers = [6, 28, 496, 8128];
Hash::hash_slice(&numbers, &mut hasher);
println!("Hash is {:x}!", hasher.finish());

Implementors

impl Hash for NonZeroU8

fn hash<__H: Hasher>(&self, state: &mut __H)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl Hash for NonZeroU16

fn hash<__H: Hasher>(&self, state: &mut __H)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl Hash for NonZeroU32

fn hash<__H: Hasher>(&self, state: &mut __H)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl Hash for NonZeroU64

fn hash<__H: Hasher>(&self, state: &mut __H)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl Hash for NonZeroU128

fn hash<__H: Hasher>(&self, state: &mut __H)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl Hash for NonZeroUsize

fn hash<__H: Hasher>(&self, state: &mut __H)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for Wrapping<T>

fn hash<__HT: Hasher>(&self, state: &mut __HT)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T> Hash for Discriminant<T>

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash + ?Sized> Hash for ManuallyDrop<T>

fn hash<__HT: Hasher>(&self, state: &mut __HT)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret> Hash for fn() -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret> Hash for extern "C" fn() -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret> Hash for unsafe fn() -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret> Hash for unsafe extern "C" fn() -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A> Hash for fn(_: A) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A> Hash for extern "C" fn(_: A) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A> Hash for extern "C" fn(_: A, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A> Hash for unsafe fn(_: A) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A> Hash for unsafe extern "C" fn(_: A) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A> Hash for unsafe extern "C" fn(_: A, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B> Hash for fn(_: A, _: B) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B> Hash for extern "C" fn(_: A, _: B) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B> Hash for extern "C" fn(_: A, _: B, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B> Hash for unsafe fn(_: A, _: B) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B> Hash for unsafe extern "C" fn(_: A, _: B) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B> Hash for unsafe extern "C" fn(_: A, _: B, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C> Hash for fn(_: A, _: B, _: C) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C> Hash for extern "C" fn(_: A, _: B, _: C) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C> Hash for extern "C" fn(_: A, _: B, _: C, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C> Hash for unsafe fn(_: A, _: B, _: C) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C> Hash for unsafe extern "C" fn(_: A, _: B, _: C) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C> Hash for unsafe extern "C" fn(_: A, _: B, _: C, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D> Hash for fn(_: A, _: B, _: C, _: D) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D> Hash for extern "C" fn(_: A, _: B, _: C, _: D) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D> Hash for extern "C" fn(_: A, _: B, _: C, _: D, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D> Hash for unsafe fn(_: A, _: B, _: C, _: D) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E> Hash for fn(_: A, _: B, _: C, _: D, _: E) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E> Hash for extern "C" fn(_: A, _: B, _: C, _: D, _: E) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E> Hash for extern "C" fn(_: A, _: B, _: C, _: D, _: E, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E> Hash for unsafe fn(_: A, _: B, _: C, _: D, _: E) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F> Hash for fn(_: A, _: B, _: C, _: D, _: E, _: F) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F> Hash for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F> Hash for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F> Hash for unsafe fn(_: A, _: B, _: C, _: D, _: E, _: F) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G> Hash for fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G> Hash for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G> Hash for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G> Hash for unsafe fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H> Hash for fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H> Hash for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H> Hash for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H> Hash for unsafe fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I> Hash for fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I> Hash for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I> Hash for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I> Hash for unsafe fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J> Hash for fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J> Hash for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J> Hash for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J> Hash for unsafe fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Hash for fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Hash for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Hash for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Hash for unsafe fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Hash for fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K, _: L) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Hash for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K, _: L) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Hash for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K, _: L, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Hash for unsafe fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K, _: L) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K, _: L) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Hash for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K, _: L, ...) -> Ret

fn hash<HH: Hasher>(&self, state: &mut HH)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: ?Sized> Hash for NonNull<T>

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: ?Sized> Hash for PhantomData<T>

fn hash<H: Hasher>(&self, _: &mut H)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl Hash for Pinned

fn hash<__H: Hasher>(&self, state: &mut __H)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Y: Hash, R: Hash> Hash for GeneratorState<Y, R>

fn hash<__HYR: Hasher>(&self, state: &mut __HYR)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl Hash for RangeFull

fn hash<__H: Hasher>(&self, state: &mut __H)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Idx: Hash> Hash for Range<Idx>

fn hash<__HIdx: Hasher>(&self, state: &mut __HIdx)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Idx: Hash> Hash for RangeFrom<Idx>

fn hash<__HIdx: Hasher>(&self, state: &mut __HIdx)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Idx: Hash> Hash for RangeTo<Idx>

fn hash<__HIdx: Hasher>(&self, state: &mut __HIdx)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Idx: Hash> Hash for RangeInclusive<Idx>

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<Idx: Hash> Hash for RangeToInclusive<Idx>

fn hash<__HIdx: Hasher>(&self, state: &mut __HIdx)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for Bound<T>

fn hash<__HT: Hasher>(&self, state: &mut __HT)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl Hash for Ordering

fn hash<__H: Hasher>(&self, state: &mut __H)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for Reverse<T>

fn hash<__HT: Hasher>(&self, state: &mut __HT)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl Hash for TypeId

fn hash<__H: Hasher>(&self, state: &mut __H)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 0]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 1]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 2]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 3]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 4]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 5]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 6]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 7]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 8]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 9]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 10]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 11]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 12]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 13]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 14]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 15]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 16]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 17]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 18]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 19]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 20]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 21]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 22]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 23]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 24]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 25]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 26]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 27]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 28]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 29]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 30]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 31]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T; 32]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for Option<T>

fn hash<__HT: Hasher>(&self, state: &mut __HT)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl Hash for NoneError

fn hash<__H: Hasher>(&self, state: &mut __H)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash, E: Hash> Hash for Result<T, E>

fn hash<__HTE: Hasher>(&self, state: &mut __HTE)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl Hash for u8

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

fn hash_slice<H: Hasher>(data: &[u8], state: &mut H)

impl Hash for u16

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

fn hash_slice<H: Hasher>(data: &[u16], state: &mut H)

impl Hash for u32

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

fn hash_slice<H: Hasher>(data: &[u32], state: &mut H)

impl Hash for u64

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

fn hash_slice<H: Hasher>(data: &[u64], state: &mut H)

impl Hash for usize

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

fn hash_slice<H: Hasher>(data: &[usize], state: &mut H)

impl Hash for i8

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

fn hash_slice<H: Hasher>(data: &[i8], state: &mut H)

impl Hash for i16

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

fn hash_slice<H: Hasher>(data: &[i16], state: &mut H)

impl Hash for i32

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

fn hash_slice<H: Hasher>(data: &[i32], state: &mut H)

impl Hash for i64

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

fn hash_slice<H: Hasher>(data: &[i64], state: &mut H)

impl Hash for isize

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

fn hash_slice<H: Hasher>(data: &[isize], state: &mut H)

impl Hash for u128

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

fn hash_slice<H: Hasher>(data: &[u128], state: &mut H)

impl Hash for i128

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

fn hash_slice<H: Hasher>(data: &[i128], state: &mut H)

impl Hash for bool

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl Hash for char

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl Hash for str

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl Hash for !

fn hash<H: Hasher>(&self, _: &mut H)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl Hash for ()

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<A> Hash for (A,) where     A: Hash + ?Sized,

fn hash<S: Hasher>(&self, state: &mut S)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<A: Hash, B> Hash for (A, B) where     B: Hash + ?Sized,

fn hash<S: Hasher>(&self, state: &mut S)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<A: Hash, B: Hash, C> Hash for (A, B, C) where     C: Hash + ?Sized,

fn hash<S: Hasher>(&self, state: &mut S)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<A: Hash, B: Hash, C: Hash, D> Hash for (A, B, C, D) where     D: Hash + ?Sized,

fn hash<S: Hasher>(&self, state: &mut S)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<A: Hash, B: Hash, C: Hash, D: Hash, E> Hash for (A, B, C, D, E) where     E: Hash + ?Sized,

fn hash<S: Hasher>(&self, state: &mut S)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<A: Hash, B: Hash, C: Hash, D: Hash, E: Hash, F> Hash for (A, B, C, D, E, F) where     F: Hash + ?Sized,

fn hash<S: Hasher>(&self, state: &mut S)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<A: Hash, B: Hash, C: Hash, D: Hash, E: Hash, F: Hash, G> Hash for (A, B, C, D, E, F, G) where     G: Hash + ?Sized,

fn hash<S: Hasher>(&self, state: &mut S)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<A: Hash, B: Hash, C: Hash, D: Hash, E: Hash, F: Hash, G: Hash, H> Hash for (A, B, C, D, E, F, G, H) where     H: Hash + ?Sized,

fn hash<S: Hasher>(&self, state: &mut S)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<A: Hash, B: Hash, C: Hash, D: Hash, E: Hash, F: Hash, G: Hash, H: Hash, I> Hash for (A, B, C, D, E, F, G, H, I) where     I: Hash + ?Sized,

fn hash<S: Hasher>(&self, state: &mut S)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<A: Hash, B: Hash, C: Hash, D: Hash, E: Hash, F: Hash, G: Hash, H: Hash, I: Hash, J> Hash for (A, B, C, D, E, F, G, H, I, J) where     J: Hash + ?Sized,

fn hash<S: Hasher>(&self, state: &mut S)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<A: Hash, B: Hash, C: Hash, D: Hash, E: Hash, F: Hash, G: Hash, H: Hash, I: Hash, J: Hash, K> Hash for (A, B, C, D, E, F, G, H, I, J, K) where     K: Hash + ?Sized,

fn hash<S: Hasher>(&self, state: &mut S)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<A: Hash, B: Hash, C: Hash, D: Hash, E: Hash, F: Hash, G: Hash, H: Hash, I: Hash, J: Hash, K: Hash, L> Hash for (A, B, C, D, E, F, G, H, I, J, K, L) where     L: Hash + ?Sized,

fn hash<S: Hasher>(&self, state: &mut S)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for [T]

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<'a, T: ?Sized + Hash> Hash for &'a T

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<'a, T: ?Sized + Hash> Hash for &'a mut T

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: ?Sized> Hash for *const T

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: ?Sized> Hash for *mut T

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

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl Hash for Error

fn hash<__H: Hasher>(&self, state: &mut __H)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl Hash for Duration

fn hash<__H: Hasher>(&self, state: &mut __H)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,

impl<T: Hash> Hash for Poll<T>

fn hash<__HT: Hasher>(&self, state: &mut __HT)

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where     Self: Sized,