encode.rs

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

let mut names = ComponentNameSection::new();
let mut func_names = NameMap::new();
func_names.append(0, "main");
names.core_funcs(&func_names);
names.funcs(&func_names);
let mut instance_names = NameMap::new();
instance_names.append(0, "main");
names.core_instances(&instance_names);
component.section(&names);

let mut types = ComponentTypeSection::new();
let no_params: Vec<(&str, ComponentValType)> = Vec::new();
types
    .function()
    .params(no_params)
    .result(PrimitiveValType::S32);
component.section(&types);

let mut instances = InstanceSection::new();
let no_args: Vec<(String, ModuleArg)> = Vec::new();
instances.instantiate(0, no_args);
component.section(&instances);

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

let mut exports = ComponentExportSection::new();
let name = ComponentExternName::Kebab("main");
exports.export(name, ComponentExportKind::Func, 0, None);
component.section(&exports);

return component.finish();