Function main

examples/linking.rs:26–50

()

"#;

fn main() -> Result<()> {
    let wasm_add = wat::parse_str(WASM_ADD).expect("failed to parse wat");
    let wasm_import = wat::parse_str(WASM_IMPORT).expect("failed to parse wat");

    let add_module = tinywasm::parse_bytes(&wasm_add)?;
    let import_module = tinywasm::parse_bytes(&wasm_import)?;

    let mut store = Store::default();

    // Instantiate the `add` module.
    let add_instance = ModuleInstance::instantiate(&mut store, &add_module, None)?;

    // Link the `adder` namespace to the `add` module's instance.
    let mut imports = tinywasm::Imports::new();
    imports.link_module("adder", add_instance)?;

    // Instantiate the `import` module with the linked imports.
    let import_instance = ModuleInstance::instantiate(&mut store, &import_module, Some(imports))?;

    // Call the `main` function, which uses the imported `add` function.
    let main = import_instance.func::<(), i32>(&store, "main")?;
    assert_eq!(main.call(&mut store, ())?, 3);

    Ok(())
}