isempty-vs-count/main.cpp:6:9: warning: use isEmpty() instead [-Wclazy-isempty-vs-count]
isempty-vs-count/main.cpp:7:15: warning: use isEmpty() instead [-Wclazy-isempty-vs-count]
isempty-vs-count/main.cpp:8:15: warning: use isEmpty() instead [-Wclazy-isempty-vs-count]