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Writer

Struct Writer 

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pub struct Writer<'a> { /* private fields */ }
Expand description

A byte writer that encodes into a caller-owned buffer.

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impl<'a> Writer<'a>

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pub fn new(buf: &'a mut [u8]) -> Self

Create a writer over the given mutable byte slice.

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pub const fn position(&self) -> usize

Number of bytes written so far.

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pub fn remaining(&self) -> usize

Number of bytes remaining in the buffer.

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pub fn as_written(&self) -> &[u8]

View the bytes written so far.

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pub fn write_u8(&mut self, value: u8) -> Result<(), EncodeError>

Write a single byte.

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

Write a byte slice.

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pub fn write_be_u16(&mut self, value: u16) -> Result<(), EncodeError>

Write a big-endian u16.

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impl<'a> Debug for Writer<'a>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<'a> Freeze for Writer<'a>

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impl<'a> RefUnwindSafe for Writer<'a>

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impl<'a> Send for Writer<'a>

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impl<'a> Sync for Writer<'a>

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impl<'a> Unpin for Writer<'a>

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impl<'a> UnsafeUnpin for Writer<'a>

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impl<'a> !UnwindSafe for Writer<'a>

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> 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.