Struct wasm_encoder::CanonicalFunctionSection

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

An encoder for the canonical function section of WebAssembly components.

§Example

use wasm_encoder::{Component, CanonicalFunctionSection, CanonicalOption};

let mut functions = CanonicalFunctionSection::new();
functions.lift(0, 0, [CanonicalOption::UTF8]);

let mut component = Component::new();
component.section(&functions);

let bytes = component.finish();

Implementations§

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impl CanonicalFunctionSection

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pub fn new() -> Self

Construct a new component function section encoder.

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pub fn len(&self) -> u32

The number of functions in the section.

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pub fn is_empty(&self) -> bool

Determines if the section is empty.

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pub fn lift<O>( &mut self, core_func_index: u32, type_index: u32, options: O, ) -> &mut Self

Define a function that will lift a core WebAssembly function to the canonical ABI.

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pub fn lower<O>(&mut self, func_index: u32, options: O) -> &mut Self

Define a function that will lower a canonical ABI function to a core WebAssembly function.

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pub fn resource_new(&mut self, ty_index: u32) -> &mut Self

Defines a function which will create an owned handle to the resource specified by ty_index.

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pub fn resource_drop(&mut self, ty_index: u32) -> &mut Self

Defines a function which will drop the specified type of handle.

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pub fn resource_rep(&mut self, ty_index: u32) -> &mut Self

Defines a function which will return the representation of the specified resource type.

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pub fn thread_spawn(&mut self, ty_index: u32) -> &mut Self

Defines a function which will spawns a new thread by invoking a shared function of type ty_index.

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pub fn thread_hw_concurrency(&mut self) -> &mut Self

Defines a function which will return the number of threads that can be expected to execute concurrently.

Trait Implementations§

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impl Clone for CanonicalFunctionSection

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fn clone(&self) -> CanonicalFunctionSection

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl ComponentSection for CanonicalFunctionSection

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fn id(&self) -> u8

Gets the section identifier for this section.
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fn append_to_component(&self, dst: &mut Vec<u8>)

Appends this section to the specified destination list of bytes.
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impl Debug for CanonicalFunctionSection

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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 CanonicalFunctionSection

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fn default() -> CanonicalFunctionSection

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

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fn encode(&self, sink: &mut Vec<u8>)

Encode the type into the given byte sink.

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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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.