[−][src]Struct rustc_data_structures::stable_hasher::StableHasher
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
When hashing something that ends up affecting properties like symbol names, we want these symbol names to be calculated independently of other factors like what architecture you're compiling from.
To that end we always convert integers to little-endian format before
hashing and the architecture dependent isize
and usize
types are
extended to 64 bits if needed.
Fields
state: SipHasher128
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
bytes_hashed: u64
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
width: PhantomData<W>
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
Methods
impl<W: StableHasherResult> StableHasher<W>
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impl<W: StableHasherResult> StableHasher<W>
pub fn new() -> Self
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pub fn new() -> Self
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
pub fn finish(self) -> W
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pub fn finish(self) -> W
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
impl<W> StableHasher<W>
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impl<W> StableHasher<W>
pub fn finalize(self) -> (u64, u64)
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pub fn finalize(self) -> (u64, u64)
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
pub fn bytes_hashed(&self) -> u64
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pub fn bytes_hashed(&self) -> u64
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
Trait Implementations
impl<W: StableHasherResult> Debug for StableHasher<W>
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impl<W: StableHasherResult> Debug for StableHasher<W>
fn fmt(&self, f: &mut Formatter) -> Result
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fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl<W> Hasher for StableHasher<W>
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impl<W> Hasher for StableHasher<W>
fn finish(&self) -> u64
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fn finish(&self) -> u64
Returns the hash value for the values written so far. Read more
fn write(&mut self, bytes: &[u8])
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fn write(&mut self, bytes: &[u8])
Writes some data into this Hasher
. Read more
fn write_u8(&mut self, i: u8)
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fn write_u8(&mut self, i: u8)
Writes a single u8
into this hasher.
fn write_u16(&mut self, i: u16)
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fn write_u16(&mut self, i: u16)
Writes a single u16
into this hasher.
fn write_u32(&mut self, i: u32)
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fn write_u32(&mut self, i: u32)
Writes a single u32
into this hasher.
fn write_u64(&mut self, i: u64)
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fn write_u64(&mut self, i: u64)
Writes a single u64
into this hasher.
fn write_u128(&mut self, i: u128)
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fn write_u128(&mut self, i: u128)
Writes a single u128
into this hasher.
fn write_usize(&mut self, i: usize)
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fn write_usize(&mut self, i: usize)
Writes a single usize
into this hasher.
fn write_i8(&mut self, i: i8)
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fn write_i8(&mut self, i: i8)
Writes a single i8
into this hasher.
fn write_i16(&mut self, i: i16)
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fn write_i16(&mut self, i: i16)
Writes a single i16
into this hasher.
fn write_i32(&mut self, i: i32)
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fn write_i32(&mut self, i: i32)
Writes a single i32
into this hasher.
fn write_i64(&mut self, i: i64)
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fn write_i64(&mut self, i: i64)
Writes a single i64
into this hasher.
fn write_i128(&mut self, i: i128)
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fn write_i128(&mut self, i: i128)
Writes a single i128
into this hasher.
fn write_isize(&mut self, i: isize)
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fn write_isize(&mut self, i: isize)
Writes a single isize
into this hasher.
Auto Trait Implementations
impl<W> Send for StableHasher<W> where
W: Send,
impl<W> Send for StableHasher<W> where
W: Send,
impl<W> Sync for StableHasher<W> where
W: Sync,
impl<W> Sync for StableHasher<W> where
W: Sync,
Blanket Implementations
impl<T> Erased for T
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impl<T> Erased for T
impl<T> Send for T where
T: ?Sized,
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impl<T> Send for T where
T: ?Sized,
impl<T> Sync for T where
T: ?Sized,
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impl<T> Sync for T where
T: ?Sized,
impl<T> From for T
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impl<T> From for T
impl<T, U> Into for T where
U: From<T>,
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impl<T, U> Into for T where
U: From<T>,
impl<T, U> TryFrom for T where
T: From<U>,
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impl<T, U> TryFrom for T where
T: From<U>,
type Error = !
try_from
)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
try_from
)Performs the conversion.
impl<T> Borrow for T where
T: ?Sized,
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impl<T> Borrow for T where
T: ?Sized,
ⓘImportant traits for &'a mut Rfn borrow(&self) -> &T
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fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
impl<T, U> TryInto for T where
U: TryFrom<T>,
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impl<T, U> TryInto for T where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
try_from
)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
try_from
)Performs the conversion.
impl<T> BorrowMut for T where
T: ?Sized,
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impl<T> BorrowMut for T where
T: ?Sized,
ⓘImportant traits for &'a mut Rfn borrow_mut(&mut self) -> &mut T
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fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> Any for T where
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId
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fn get_type_id(&self) -> TypeId
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static
Gets the TypeId
of self
. Read more
impl<E> SpecializationError for E
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impl<E> SpecializationError for E
fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where
T: ?Sized,
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fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where
T: ?Sized,
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
Create an error for a missing method specialization. Defaults to panicking with type, trait & method names. S
is the encoder/decoder state type, T
is the type being encoded/decoded, and the arguments are the names of the trait and method that should've been overridden. Read more
impl<T> Erased for T
impl<T> Erased for T