pub struct WriterTask<T: Write> { /* private fields */ }
Expand description

A Writer Task accepts a Writer and a task and updates the task with the count of bytes written.

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impl<T: Write> WriterTask<T>

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pub fn new(writer: T, task: Task) -> Self

Creates a new Writer Task

Trait Implementations§

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impl<T: Write> Drop for WriterTask<T>

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fn drop(&mut self)

Executes the destructor for this type. Read more
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impl<T: Write> Write for WriterTask<T>

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

Write a buffer into this writer, returning how many bytes were written. Read more
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fn flush(&mut self) -> Result<()>

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
where Self: Sized,

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

Auto Trait Implementations§

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impl<T> RefUnwindSafe for WriterTask<T>
where T: RefUnwindSafe,

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impl<T> Send for WriterTask<T>
where T: Send,

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impl<T> Sync for WriterTask<T>
where T: Sync,

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impl<T> Unpin for WriterTask<T>
where T: Unpin,

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impl<T> UnwindSafe for WriterTask<T>
where T: UnwindSafe,

Blanket Implementations§

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

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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,

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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,

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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

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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, U> MaybeInto<U> for T
where U: MaybeFrom<T>,

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fn maybe_into(self) -> Option<U>

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impl<T> MutBits for T
where T: Write,

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

Writes a single u8
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fn write_be_u16(&mut self, val: u16) -> Result<(), Error>

Writes a single u16 in big-endian order, 2 bytes, MSB first.
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fn write_be_u32(&mut self, val: u32) -> Result<(), Error>

Writes a single u32 in big-endian order, 4 bytes, MSB first.
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fn write_be_u64(&mut self, val: u64) -> Result<(), Error>

Writes a single u64 in big-endian order, 8 bytes, MSB first.
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fn write_be_u128(&mut self, val: u128) -> Result<(), Error>

Writes a single u128 in big-endian order, 16 bytes, MSB first.
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fn write_f32(&mut self, val: f32) -> Result<(), Error>

Writes a single f32 in standard IEEE754 format, 4 bytes
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fn write_f64(&mut self, val: f64) -> Result<(), Error>

Writes a single u16 in standard IEEE754 format, 8 bytes
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fn write_be_i16(&mut self, val: i16) -> Result<(), Error>

Writes a single i16 in big-endian order, 2 bytes, MSB first.
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fn write_be_i32(&mut self, val: i32) -> Result<(), Error>

Writes a single i32 in big-endian order, 4 bytes, MSB first.
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fn write_be_i64(&mut self, val: i64) -> Result<(), Error>

Writes a single i64 in big-endian order, 8 bytes, MSB first.
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fn write_be_i128(&mut self, val: i128) -> Result<(), Error>

Writes a single i128 in big-endian order, 16 bytes, MSB first.
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fn write_u8_blob(&mut self, val: &[u8]) -> Result<(), Error>

Writes a sized blob, a series of bytes preceded by a u8 declaring the size
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fn write_u16_blob(&mut self, val: &[u8]) -> Result<(), Error>

Writes a sized blob, a series of bytes preceded by a u16 declaring the size
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fn write_u32_blob(&mut self, val: &[u8]) -> Result<(), Error>

Writes a sized blob, a series of bytes preceded by a u32 declaring the size
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fn write_u64_blob(&mut self, val: &[u8]) -> Result<(), Error>

Writes a sized blob, a series of bytes preceded by a u64 declaring the size
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fn write_all_bytes(&mut self, val: &[u8]) -> Result<(), Error>

Writes all the bytes in order
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> UUIDWriter for T
where T: MutBits,

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fn write_uuid(&mut self, uuid: &UUID) -> Result<(), Error>

Attempts to write a UUID to this data source