//14_3

//運(yùn)行結(jié)果為：
create a X object with 1
create a X object with 2     //創(chuàng)建臨時(shí)對(duì)象
call a func with para X object
create a X object from other X object
erase a object               //析構(gòu)臨時(shí)對(duì)象
create a X object from other X object
call a func with para X object
create a X object from other X object
erase a object
erase a object
erase a object
erase a object