仿函數(shù)（functors）在C++標(biāo)準(zhǔn)中采用的名稱是函數(shù)對(duì)象（function objects）婚被，實(shí)際上就是函數(shù)對(duì)象鸦致，所謂函數(shù)對(duì)象就是具有函數(shù)性...