Struct libp2p::multihash::WriteHasher

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pub struct WriteHasher<H>(_)
 where
    H: Hasher;

Expand description

New type wrapper for a hasher that implements the std::io::Write trait.

Trait Implementations

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impl<H> Write for WriteHasher<H> where
H: StatefulHasher,

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pub fn write(&mut self, buf: &[u8 ]) -> Result<usize, Error>

Write a buffer into this writer, returning how many bytes were written. Read more

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pub fn flush(&mut self) -> Result<(), Error>

Flush this output stream, ensuring that all intermediately buffered contents reach their destination. Read more

1.36.0 · source

fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> Result<usize, Error>

Like write, except that it writes from a slice of buffers. Read more

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fn is_write_vectored(&self) -> bool

🔬 This is a nightly-only experimental API. (can_vector)

Determines if this Writer has an efficient write_vectored implementation. Read more

1.0.0 · source

fn write_all(&mut self, buf: &[u8 ]) -> Result<(), Error>

Attempts to write an entire buffer into this writer. Read more

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fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> Result<(), Error>

🔬 This is a nightly-only experimental API. (write_all_vectored)

Attempts to write multiple buffers into this writer. Read more

1.0.0 · source

fn write_fmt(&mut self, fmt: Arguments<'_>) -> Result<(), Error>

Writes a formatted string into this writer, returning any error encountered. Read more

1.0.0 · source

fn by_ref(&mut self) -> &mut Self

Creates a “by reference” adapter for this instance of Write. Read more

Auto Trait Implementations

impl<H> RefUnwindSafe for WriteHasher<H> where
H: RefUnwindSafe,

impl<H> Send for WriteHasher<H>

impl<H> Sync for WriteHasher<H>

impl<H> Unpin for WriteHasher<H> where
H: Unpin,

impl<H> UnwindSafe for WriteHasher<H> where
H: UnwindSafe,

Blanket Implementations

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

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same<T> for T

type Output = T

Should always be Self

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<V, T> VZip<V> for T where
V: MultiLane<T>,

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pub fn vzip(self) -> V

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impl<W> Write for W where
W: Write,

type Error = Error

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pub fn write_all(&mut self, buf: &[u8 ]) -> Result<(), Error>

Write the whole byte slice.

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impl<W> WriteBytesExt for W where
W: Write + ?Sized,

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fn write_u8(&mut self, n: u8) -> Result<(), Error>

Writes an unsigned 8 bit integer to the underlying writer. Read more

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fn write_i8(&mut self, n: i8) -> Result<(), Error>

Writes a signed 8 bit integer to the underlying writer. Read more

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fn write_u16<T>(&mut self, n: u16) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned 16 bit integer to the underlying writer. Read more

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fn write_i16<T>(&mut self, n: i16) -> Result<(), Error> where
T: ByteOrder,

Writes a signed 16 bit integer to the underlying writer. Read more

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fn write_u24<T>(&mut self, n: u32) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned 24 bit integer to the underlying writer. Read more

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fn write_i24<T>(&mut self, n: i32) -> Result<(), Error> where
T: ByteOrder,

Writes a signed 24 bit integer to the underlying writer. Read more

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fn write_u32<T>(&mut self, n: u32) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned 32 bit integer to the underlying writer. Read more

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fn write_i32<T>(&mut self, n: i32) -> Result<(), Error> where
T: ByteOrder,

Writes a signed 32 bit integer to the underlying writer. Read more

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fn write_u48<T>(&mut self, n: u64) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned 48 bit integer to the underlying writer. Read more

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fn write_i48<T>(&mut self, n: i64) -> Result<(), Error> where
T: ByteOrder,

Writes a signed 48 bit integer to the underlying writer. Read more

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fn write_u64<T>(&mut self, n: u64) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned 64 bit integer to the underlying writer. Read more

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fn write_i64<T>(&mut self, n: i64) -> Result<(), Error> where
T: ByteOrder,

Writes a signed 64 bit integer to the underlying writer. Read more

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fn write_u128<T>(&mut self, n: u128) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned 128 bit integer to the underlying writer.

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fn write_i128<T>(&mut self, n: i128) -> Result<(), Error> where
T: ByteOrder,

Writes a signed 128 bit integer to the underlying writer.

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fn write_uint<T>(&mut self, n: u64, nbytes: usize) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned n-bytes integer to the underlying writer. Read more

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fn write_int<T>(&mut self, n: i64, nbytes: usize) -> Result<(), Error> where
T: ByteOrder,

Writes a signed n-bytes integer to the underlying writer. Read more

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fn write_uint128<T>(&mut self, n: u128, nbytes: usize) -> Result<(), Error> where
T: ByteOrder,

Writes an unsigned n-bytes integer to the underlying writer. Read more

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fn write_int128<T>(&mut self, n: i128, nbytes: usize) -> Result<(), Error> where
T: ByteOrder,

Writes a signed n-bytes integer to the underlying writer. Read more

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fn write_f32<T>(&mut self, n: f32) -> Result<(), Error> where
T: ByteOrder,

Writes a IEEE754 single-precision (4 bytes) floating point number to the underlying writer. Read more

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fn write_f64<T>(&mut self, n: f64) -> Result<(), Error> where
T: ByteOrder,

Writes a IEEE754 double-precision (8 bytes) floating point number to the underlying writer. Read more

Struct libp2p::multihash::WriteHasher

Trait Implementations

impl<H> Write for WriteHasher<H> where H: StatefulHasher,

pub fn write(&mut self, buf: &[u8]) -> Result<usize, Error>

pub fn flush(&mut self) -> Result<(), Error>

fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> Result<usize, Error>

fn is_write_vectored(&self) -> bool

fn write_all(&mut self, buf: &[u8]) -> Result<(), Error>

fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> Result<(), Error>

fn write_fmt(&mut self, fmt: Arguments<'_>) -> Result<(), Error>

fn by_ref(&mut self) -> &mut Self

Auto Trait Implementations

impl<H> RefUnwindSafe for WriteHasher<H> where H: RefUnwindSafe,

impl<H> Send for WriteHasher<H>

impl<H> Sync for WriteHasher<H>

impl<H> Unpin for WriteHasher<H> where H: Unpin,

impl<H> UnwindSafe for WriteHasher<H> where H: UnwindSafe,

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T> Same<T> for T

type Output = T

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

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

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

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

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

impl<V, T> VZip<V> for T where V: MultiLane<T>,

pub fn vzip(self) -> V

impl<W> Write for W where W: Write,

type Error = Error

pub fn write_all(&mut self, buf: &[u8]) -> Result<(), Error>

impl<W> WriteBytesExt for W where W: Write + ?Sized,

fn write_u8(&mut self, n: u8) -> Result<(), Error>

fn write_i8(&mut self, n: i8) -> Result<(), Error>

fn write_u16<T>(&mut self, n: u16) -> Result<(), Error> where T: ByteOrder,

fn write_i16<T>(&mut self, n: i16) -> Result<(), Error> where T: ByteOrder,

fn write_u24<T>(&mut self, n: u32) -> Result<(), Error> where T: ByteOrder,

fn write_i24<T>(&mut self, n: i32) -> Result<(), Error> where T: ByteOrder,

fn write_u32<T>(&mut self, n: u32) -> Result<(), Error> where T: ByteOrder,

fn write_i32<T>(&mut self, n: i32) -> Result<(), Error> where T: ByteOrder,

fn write_u48<T>(&mut self, n: u64) -> Result<(), Error> where T: ByteOrder,

fn write_i48<T>(&mut self, n: i64) -> Result<(), Error> where T: ByteOrder,

fn write_u64<T>(&mut self, n: u64) -> Result<(), Error> where T: ByteOrder,

fn write_i64<T>(&mut self, n: i64) -> Result<(), Error> where T: ByteOrder,

fn write_u128<T>(&mut self, n: u128) -> Result<(), Error> where T: ByteOrder,

fn write_i128<T>(&mut self, n: i128) -> Result<(), Error> where T: ByteOrder,

fn write_uint<T>(&mut self, n: u64, nbytes: usize) -> Result<(), Error> where T: ByteOrder,

fn write_int<T>(&mut self, n: i64, nbytes: usize) -> Result<(), Error> where T: ByteOrder,

fn write_uint128<T>(&mut self, n: u128, nbytes: usize) -> Result<(), Error> where T: ByteOrder,

fn write_int128<T>(&mut self, n: i128, nbytes: usize) -> Result<(), Error> where T: ByteOrder,

fn write_f32<T>(&mut self, n: f32) -> Result<(), Error> where T: ByteOrder,

fn write_f64<T>(&mut self, n: f64) -> Result<(), Error> where T: ByteOrder,

impl<H> Write for WriteHasher<H> where
H: StatefulHasher,

pub fn write(&mut self, buf: &[u8 ]) -> Result<usize, Error>

fn write_all(&mut self, buf: &[u8 ]) -> Result<(), Error>

impl<H> RefUnwindSafe for WriteHasher<H> where
H: RefUnwindSafe,

impl<H> Unpin for WriteHasher<H> where
H: Unpin,

impl<H> UnwindSafe for WriteHasher<H> where
H: UnwindSafe,

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

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

impl<W> Write for W where
W: Write,

pub fn write_all(&mut self, buf: &[u8 ]) -> Result<(), Error>

impl<W> WriteBytesExt for W where
W: Write + ?Sized,

fn write_u16<T>(&mut self, n: u16) -> Result<(), Error> where
T: ByteOrder,

fn write_i16<T>(&mut self, n: i16) -> Result<(), Error> where
T: ByteOrder,

fn write_u24<T>(&mut self, n: u32) -> Result<(), Error> where
T: ByteOrder,

fn write_i24<T>(&mut self, n: i32) -> Result<(), Error> where
T: ByteOrder,

fn write_u32<T>(&mut self, n: u32) -> Result<(), Error> where
T: ByteOrder,

fn write_i32<T>(&mut self, n: i32) -> Result<(), Error> where
T: ByteOrder,

fn write_u48<T>(&mut self, n: u64) -> Result<(), Error> where
T: ByteOrder,

fn write_i48<T>(&mut self, n: i64) -> Result<(), Error> where
T: ByteOrder,

fn write_u64<T>(&mut self, n: u64) -> Result<(), Error> where
T: ByteOrder,

fn write_i64<T>(&mut self, n: i64) -> Result<(), Error> where
T: ByteOrder,

fn write_u128<T>(&mut self, n: u128) -> Result<(), Error> where
T: ByteOrder,

fn write_i128<T>(&mut self, n: i128) -> Result<(), Error> where
T: ByteOrder,

fn write_uint<T>(&mut self, n: u64, nbytes: usize) -> Result<(), Error> where
T: ByteOrder,

fn write_int<T>(&mut self, n: i64, nbytes: usize) -> Result<(), Error> where
T: ByteOrder,

fn write_uint128<T>(&mut self, n: u128, nbytes: usize) -> Result<(), Error> where
T: ByteOrder,

fn write_int128<T>(&mut self, n: i128, nbytes: usize) -> Result<(), Error> where
T: ByteOrder,

fn write_f32<T>(&mut self, n: f32) -> Result<(), Error> where
T: ByteOrder,

fn write_f64<T>(&mut self, n: f64) -> Result<(), Error> where
T: ByteOrder,