Function js_create_delegate

pub unsafe extern "C" fn js_create_delegate(
    env: *mut js_env_t,
    callbacks: *const js_delegate_callbacks_t,
    data: *mut c_void,
    finalize_cb: js_finalize_cb,
    finalize_hint: *mut c_void,
    result: *mut *mut js_value_t,
) -> c_int