Qt5 Tutorial Signals and Slots - 2020

QObject::connect: Incompatible senderreceiver arguments ; #include QPushButton> #include QWidget> #include QLineEdit> ; #include

And when there is a free standing function there is a signature, but there is no instance, so the third and the fourth arguments of the first

signal and slot arguments are not compatible Copied or Not Copied: Arguments in Signal-Slot Connections? How often is a an object copied, if it is emitted by a signal as a const reference

signal and slot qt not available directly in Rust Use init helpers to initialize the Compatibility of signal's and slot's arguments is checked at compile time