PVS-Studio issue "kcalc_button.cpp:80: warning: V768 The variable...
PVS-Studio issue "kcalc_button.cpp:80: warning: V768 The variable 'mode_flags_' is of enum type. It is odd that it is used as a variable of a Boolean-type."
PVS-Studio issue "kcalc_button.cpp:80: warning: V768 The variable 'mode_flags_' is of enum type. It is odd that it is used as a variable of a Boolean-type."