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BinWriter

Struct BinWriter 

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pub struct BinWriter { /* private fields */ }
Expand description

Cursor-style binary writer used by chip snapshot encoders.

Little-endian for all multi-byte integers; bools are 1 byte (0 / 1); optional values are tagged with a presence byte.

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impl BinWriter

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pub const fn new() -> Self

Empty writer.

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pub fn with_capacity(cap: usize) -> Self

Pre-sized writer.

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pub fn into_vec(self) -> Vec<u8>

Take the inner buffer.

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pub const fn len(&self) -> usize

Currently-accumulated byte count.

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pub const fn is_empty(&self) -> bool

true if no bytes have been written.

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pub fn u8(&mut self, v: u8)

Append one byte.

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pub fn u16(&mut self, v: u16)

Append a u16 little-endian.

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pub fn u32(&mut self, v: u32)

Append a u32 little-endian.

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pub fn u64(&mut self, v: u64)

Append a u64 little-endian.

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pub fn i16(&mut self, v: i16)

Append an i16 little-endian.

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pub fn bool(&mut self, v: bool)

Append a bool as 1 byte.

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pub fn bytes(&mut self, v: &[u8])

Append a raw byte slice.

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pub fn lp_bytes(&mut self, v: &[u8])

Append a length-prefixed byte slice (u32 le length).

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impl Debug for BinWriter

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

Formats the value using the given formatter. Read more
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impl Default for BinWriter

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fn default() -> BinWriter

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

Auto Trait Implementations§

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> Same for T

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type Output = T

Should always be Self
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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.