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KeyOS API Reference

SizeOfWriter

server

Struct SizeOfWriter 

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

A writer that only counts the size of the serialized data without actually writing it. Used to determine buffer size requirements before allocating memory.

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impl Debug for SizeOfWriter

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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 SizeOfWriter

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fn default() -> SizeOfWriter

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

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type Error = Error

The error type associated with this type’s operations.
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impl Positional for SizeOfWriter

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fn pos(&self) -> usize

Returns the current position of the writer.
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impl Writer<Error> for SizeOfWriter

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

Attempts to write the given bytes to the serializer.

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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> ArchivePointee for T

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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.
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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> LayoutRaw for T

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fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>

Returns the layout of the type.
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impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
where T: SharedNiching<N1, N2>, N1: Niching<T>, N2: Niching<T>,

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unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<NichedOption<T, N1>>)

Writes data to out indicating that a T is niched.
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impl<T> Pointee for T

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type Metadata = ()

The metadata type for pointers and references to this type.
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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, E> WriterExt<E> for T
where T: Writer<E> + ?Sized,

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fn pad(&mut self, padding: usize) -> Result<(), E>

Advances the given number of bytes as padding.
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fn align(&mut self, align: usize) -> Result<usize, E>

Aligns the position of the serializer to the given alignment.
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fn align_for<T>(&mut self) -> Result<usize, E>

Aligns the position of the serializer to be suitable to write the given type.
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unsafe fn resolve_aligned<T>( &mut self, value: &T, resolver: <T as Archive>::Resolver, ) -> Result<usize, E>
where T: Archive + ?Sized,

Resolves the given value with its resolver and writes the archived type. Read more
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unsafe fn resolve_unsized_aligned<T>( &mut self, value: &T, to: usize, ) -> Result<usize, E>
where T: ArchiveUnsized + ?Sized,

Resolves the given reference with its resolver and writes the archived reference. Read more