Copied or Not Copied: Arguments in Signal-Slot Connections?

Hello, My company wants to decrease our dependency with Qt to the GUI part only so I am looking for a signalslot alternative

Signals and slots are loosely coupled: A class which emits a signal neither knows nor cares which slots receive the signal Qt's signals and slots mechanism

signal and slot in qt In the previous post, I tried to explain what signal-slot mechanism is You can notify that an event is occured with some data

signal slot Signals and slots are the backbone of event-driven programming in Qt, offering a flexible and efficient mechanism for inter-object communication