Struct wasm_encoder::TagSection

pub struct TagSection { /* private fields */ }

An encoder for the tag section.

Example

use wasm_encoder::{Module, TagSection, TagType, TagKind};

let mut tags = TagSection::new();
tags.tag(TagType {
    kind: TagKind::Exception,
    func_type_idx: 0,
});

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

let wasm_bytes = module.finish();

Implementations

impl TagSection

pub fn new() -> Self

Create a new tag section encoder.

pub fn len(&self) -> u32

How many tags have been defined inside this section so far?

pub fn is_empty(&self) -> bool

Determines if the section is empty.

pub fn tag(&mut self, tag_type: TagType) -> &mut Self

Define a tag.

Trait Implementations

impl Clone for TagSection

fn clone(&self) -> TagSection

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TagSection

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

Formats the value using the given formatter.

impl Default for TagSection

fn default() -> TagSection

Returns the “default value” for a type.

impl Section for TagSection

fn id(&self) -> u8

This section’s id.

fn encode<S>(&self, sink: &mut S) where
    S: Extend<u8>, 

Write this section’s data and data length prefix into the given sink.