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

An encoder for the function section of WebAssembly modules.

§Example

use wasm_encoder::{Module, FunctionSection, ValType};

let mut functions = FunctionSection::new();
let type_index = 0;
functions.function(type_index);

let mut module = Module::new();
module.section(&functions);

// Note: this will generate an invalid module because we didn't generate a
// code section containing the function body. See the documentation for
// `CodeSection` for details.

let bytes = module.finish();

Implementations§

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impl FunctionSection

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pub fn new() -> Self

Construct a new module 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 function(&mut self, type_index: u32) -> &mut Self

Define a function in a module’s function section.

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impl Clone for FunctionSection

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fn clone(&self) -> FunctionSection

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 Debug for FunctionSection

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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 FunctionSection

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fn default() -> FunctionSection

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

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

Encode the type into the given byte sink.
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impl Section for FunctionSection

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fn id(&self) -> u8

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

Appends this section to the specified destination list of bytes.

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> 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.