#[unsafe(no_mangle)]pub unsafe extern "C" fn wasm_ref_as_func(
ref_: Option<&mut wasm_ref_t>,
) -> Option<Box<wasm_func_t>>#[unsafe(no_mangle)]pub unsafe extern "C" fn wasm_ref_as_func(
ref_: Option<&mut wasm_ref_t>,
) -> Option<Box<wasm_func_t>>