pub type UA_ClientAsyncReadNodeClassAttributeCallback = Option<unsafe extern "C" fn(client: *mut UA_Client, userdata: *mut c_void, requestId: UA_UInt32, status: UA_StatusCode, nodeClass: *mut UA_NodeClass)>;Aliased Type§
enum UA_ClientAsyncReadNodeClassAttributeCallback {
None,
Some(unsafe extern "C" fn(*mut UA_Client, *mut c_void, u32, u32, *mut UA_NodeClass)),
}