Trait std::hash::Hash

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

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

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>(&self, state: &mut H) where
    H: Hasher, 

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());

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Provided methods

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

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());

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Implementations on Foreign Types

impl<T> Hash for DebugFrameOffset<T> where
    T: Hash, 

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

impl Hash for DwAte

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

impl Hash for DwChildren

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

impl Hash for DwAccess

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

impl Hash for Range

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

impl<T> Hash for DebugTypesOffset<T> where
    T: Hash, 

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

impl<T> Hash for DebugMacroOffset<T> where
    T: Hash, 

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

impl Hash for DwMacro

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

impl Hash for DwEhPe

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

impl<T> Hash for RangeListsOffset<T> where
    T: Hash, 

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

impl Hash for DwUt

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

impl Hash for DwRle

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

impl Hash for Encoding

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

impl Hash for RunTimeEndian

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

impl<T> Hash for LocationListsOffset<T> where
    T: Hash, 

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

impl Hash for DwForm

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

impl Hash for LittleEndian

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

impl<R> Hash for LocationListEntry<R> where
    R: Reader + Hash, 

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

impl Hash for DwVirtuality

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

impl Hash for DwCc

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

impl<T> Hash for DebugInfoOffset<T> where
    T: Hash, 

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

impl Hash for DwDs

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

impl Hash for DwEnd

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

impl Hash for DwDsc

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

impl Hash for Register

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

impl Hash for LineEncoding

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

impl<T> Hash for EhFrameOffset<T> where
    T: Hash, 

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

impl Hash for DwLle

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

impl Hash for DwLnct

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

impl Hash for DwInl

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

impl Hash for DwOrd

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

impl Hash for DebugTypeSignature

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

impl Hash for DwLns

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

impl<T> Hash for UnitSectionOffset<T> where
    T: Hash, 

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

impl<'input, Endian> Hash for EndianSlice<'input, Endian> where
    Endian: Hash + Endianity, 

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

impl Hash for DwDefaulted

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

impl Hash for BigEndian

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

impl<R> Hash for Expression<R> where
    R: Reader + Hash, 

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

impl Hash for DwAddr

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

impl Hash for DwLne

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

impl Hash for Format

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

impl<T> Hash for UnitOffset<T> where
    T: Hash, 

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

impl<T> Hash for DebugAbbrevOffset<T> where
    T: Hash, 

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

impl Hash for SectionId

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

impl Hash for DwLang

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

impl Hash for DwId

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

impl Hash for DwAt

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

impl Hash for DwCfa

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

impl Hash for DwTag

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

impl Hash for DwIdx

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

impl<T> Hash for DebugMacinfoOffset<T> where
    T: Hash, 

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

impl Hash for DwVis

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

impl Hash for DwOp

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

impl Hash for BigEndian

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

impl Hash for RelocationTarget

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

impl Hash for Endianness

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

impl<E> Hash for U16<E> where
    E: Endian + Hash, 

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

impl Hash for BinaryFormat

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

impl Hash for SymbolSection

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

impl Hash for AddressSize

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

impl<E> Hash for I64<E> where
    E: Endian + Hash, 

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

impl<E> Hash for I32Bytes<E> where
    E: Endian + Hash, 

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

impl Hash for SectionIndex

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

impl<E> Hash for U32Bytes<E> where
    E: Endian + Hash, 

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

impl<E> Hash for U64Bytes<E> where
    E: Endian + Hash, 

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

impl<E> Hash for I64Bytes<E> where
    E: Endian + Hash, 

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

impl Hash for Architecture

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

impl Hash for LittleEndian

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

impl Hash for SymbolIndex

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

impl<E> Hash for U32<E> where
    E: Endian + Hash, 

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

impl<'data> Hash for CompressedData<'data>

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

impl<E> Hash for I16<E> where
    E: Endian + Hash, 

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

impl<E> Hash for U64<E> where
    E: Endian + Hash, 

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

impl<E> Hash for I32<E> where
    E: Endian + Hash, 

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

impl Hash for CompressionFormat

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

impl<E> Hash for I16Bytes<E> where
    E: Endian + Hash, 

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

impl<E> Hash for U16Bytes<E> where
    E: Endian + Hash, 

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

impl Hash for CompressionStrategy

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

impl Hash for TDEFLStatus

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

impl Hash for DataFormat

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

impl Hash for TINFLStatus

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

impl Hash for MZStatus

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

impl Hash for MZFlush

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

impl Hash for MZError

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

impl Hash for TDEFLFlush

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

impl Hash for CompressionLevel

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

impl Hash for StreamResult

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

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Implementors

impl Hash for std::cmp::Ordering

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

impl Hash for Infallible

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

impl Hash for ErrorKind

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

impl Hash for IpAddr

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

impl Hash for Ipv6MulticastScope

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

impl Hash for SocketAddr

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

impl Hash for std::sync::atomic::Ordering

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

impl Hash for bool

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

impl Hash for char

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

impl Hash for i8

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

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

impl Hash for i16

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

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

impl Hash for i32

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

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

impl Hash for i64

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

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

impl Hash for i128

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

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

impl Hash for isize

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

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

impl Hash for !

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

impl Hash for str

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

impl Hash for u8

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

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

impl Hash for u16

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

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

impl Hash for u32

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

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

impl Hash for u64

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

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

impl Hash for u128

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

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

impl Hash for ()

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

impl Hash for usize

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

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

impl Hash for TypeId

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

impl Hash for CStr

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

impl Hash for CString

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

impl Hash for OsStr

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

impl Hash for OsString

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

impl Hash for Error

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

impl Hash for FileType

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

impl Hash for PhantomPinned

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

impl Hash for Ipv4Addr

fn hash<H: Hasher>(&self, s: &mut H)

impl Hash for Ipv6Addr

fn hash<H: Hasher>(&self, s: &mut H)

impl Hash for SocketAddrV4

fn hash<H: Hasher>(&self, s: &mut H)

impl Hash for SocketAddrV6

fn hash<H: Hasher>(&self, s: &mut H)

impl Hash for NonZeroI8

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

impl Hash for NonZeroI16

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

impl Hash for NonZeroI32

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

impl Hash for NonZeroI64

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

impl Hash for NonZeroI128

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

impl Hash for NonZeroIsize

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

impl Hash for NonZeroU8

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

impl Hash for NonZeroU16

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

impl Hash for NonZeroU32

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

impl Hash for NonZeroU64

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

impl Hash for NonZeroU128

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

impl Hash for NonZeroUsize

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

impl Hash for RangeFull

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

impl Hash for NoneError

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

impl Hash for Path

fn hash<H: Hasher>(&self, h: &mut H)

impl Hash for PathBuf

fn hash<H: Hasher>(&self, h: &mut H)

impl Hash for String

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

impl Hash for ThreadId

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

impl Hash for Duration

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

impl Hash for Instant

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

impl Hash for SystemTime

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

impl<'_> Hash for PrefixComponent<'_>

fn hash<H: Hasher>(&self, h: &mut H)

impl<'_, B> Hash for Cow<'_, B> where
    B: Hash + ToOwned + ?Sized, 

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

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

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

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

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

impl<'a> Hash for Component<'a>

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

impl<'a> Hash for Prefix<'a>

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

impl<'a> Hash for Location<'a>

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

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

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

impl<A> Hash for VecDeque<A> where
    A: Hash, 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

impl<Idx> Hash for std::ops::Range<Idx> where
    Idx: Hash, 

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

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

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

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

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

impl<Idx> Hash for RangeTo<Idx> where
    Idx: Hash, 

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

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

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

impl<K, V> Hash for BTreeMap<K, V> where
    K: Hash,
    V: Hash, 

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

impl<P> Hash for Pin<P> where
    P: Deref,
    <P as Deref>::Target: Hash, 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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

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

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

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>(&self, state: &mut HH) where
    HH: Hasher, 

impl<T> Hash for Bound<T> where
    T: Hash, 

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

impl<T> Hash for Option<T> where
    T: Hash, 

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

impl<T> Hash for Poll<T> where
    T: Hash, 

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

impl<T> Hash for *const T where
    T: ?Sized, 

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

impl<T> Hash for *mut T where
    T: ?Sized, 

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

impl<T> Hash for [T] where
    T: Hash, 

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

impl<T> Hash for Box<T> where
    T: Hash + ?Sized, 

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

impl<T> Hash for Reverse<T> where
    T: Hash, 

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

impl<T> Hash for BTreeSet<T> where
    T: Hash, 

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

impl<T> Hash for LinkedList<T> where
    T: Hash, 

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

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

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

impl<T> Hash for Discriminant<T>

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

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

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

impl<T> Hash for Wrapping<T> where
    T: Hash, 

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

impl<T> Hash for NonNull<T> where
    T: ?Sized, 

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

impl<T> Hash for Rc<T> where
    T: Hash + ?Sized, 

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

impl<T> Hash for Arc<T> where
    T: Hash + ?Sized, 

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

impl<T> Hash for Vec<T> where
    T: Hash, 

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

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

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

impl<T, const N: usize> Hash for [T; N] where
    T: Hash, 

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

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

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

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