pub type UA_ClientAsyncReadValueRankAttributeCallback = Option<unsafe extern "C" fn(client: *mut UA_Client, userdata: *mut c_void, requestId: UA_UInt32, status: UA_StatusCode, valueRank: *mut UA_Int32)>;Aliased Type§
enum UA_ClientAsyncReadValueRankAttributeCallback {
None,
Some(unsafe extern "C" fn(*mut UA_Client, *mut c_void, u32, u32, *mut i32)),
}