Struct rustc_data_structures::unhash::Unhasher[−][src]

pub struct Unhasher {
    value: u64,
}
Expand description

This no-op hasher expects only a single write_u64 call. It’s intended for map keys that already have hash-like quality, like Fingerprint.

Fields

value: u64

Trait Implementations

impl Default for Unhasher[src]

fn default() -> Unhasher[src]

Returns the “default value” for a type. Read more

impl FingerprintHasher for Unhasher[src]

fn write_fingerprint(&mut self, fingerprint: &Fingerprint)[src]

impl Hasher for Unhasher[src]

fn finish(&self) -> u64[src]

Returns the hash value for the values written so far. Read more

fn write(&mut self, _bytes: &[u8])[src]

Writes some data into this Hasher. Read more

fn write_u64(&mut self, value: u64)[src]

Writes a single u64 into this hasher.

fn write_u8(&mut self, i: u8)1.3.0[src]

Writes a single u8 into this hasher.

fn write_u16(&mut self, i: u16)1.3.0[src]

Writes a single u16 into this hasher.

fn write_u32(&mut self, i: u32)1.3.0[src]

Writes a single u32 into this hasher.

fn write_u128(&mut self, i: u128)1.26.0[src]

Writes a single u128 into this hasher.

fn write_usize(&mut self, i: usize)1.3.0[src]

Writes a single usize into this hasher.

fn write_i8(&mut self, i: i8)1.3.0[src]

Writes a single i8 into this hasher.

fn write_i16(&mut self, i: i16)1.3.0[src]

Writes a single i16 into this hasher.

fn write_i32(&mut self, i: i32)1.3.0[src]

Writes a single i32 into this hasher.

fn write_i64(&mut self, i: i64)1.3.0[src]

Writes a single i64 into this hasher.

fn write_i128(&mut self, i: i128)1.26.0[src]

Writes a single i128 into this hasher.

fn write_isize(&mut self, i: isize)1.3.0[src]

Writes a single isize into this hasher.

Auto Trait Implementations

impl RefUnwindSafe for Unhasher

impl Send for Unhasher

impl Sync for Unhasher

impl Unpin for Unhasher

impl UnwindSafe for Unhasher

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, 
[src]

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, 
[src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, 
[src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

Performs the conversion.

impl<'a, T> Captures<'a> for T where
    T: ?Sized, 
[src]

impl<T> Erased for T[src]