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Contents
use crate::{encoding_size, Encode, Section, SectionId};
use alloc::vec::Vec;
/// An encoder for the start section of WebAssembly modules.
///
/// # Example
///
/// Note: this doesn't actually define the function at index 0, its type, or its
/// code body, so the resulting Wasm module will be invalid. See `TypeSection`,
/// `FunctionSection`, and `CodeSection` for details on how to generate those
/// things.
///
/// ```
/// use wasm_encoder::{Module, StartSection};
///
/// let start = StartSection { function_index: 0 };
///
/// let mut module = Module::new();
/// module.section(&start);
///
/// let wasm_bytes = module.finish();
/// ```
#[derive(Clone, Copy, Debug)]
pub struct StartSection {
/// The index of the start function.
pub function_index: u32,
}
impl Encode for StartSection {
fn encode(&self, sink: &mut Vec<u8>) {
encoding_size(self.function_index).encode(sink);
self.function_index.encode(sink);
}
}
impl Section for StartSection {
fn id(&self) -> u8 {
SectionId::Start.into()
}
}
Version data entries
4 entries across 3 versions & 1 rubygems