aeca84e1___Container___cppreference_com__类型
[名称] size_type [备注] large enough to represent all positive values of difference_type [类型] 
unsigned integer
T
l v a l u e o f T
c o n s t l v a l u e o f T
i t e r a t o r p o i n t i n g t o T
c o n s t i t e r a t o r p o i n t i n g t o T
s i g n e d i n t e g e r
u n s i g n e d i n t e g e r
C++ 概念： Container - cppreference.com
类型