整数

整数基础知识

Standard ML of New Jersey v110.78 [built: Thu Jul 23 11:21:58 2015]
- 6;
val it = 6 : int
- ~6;
val it = ~6 : int
- 6 + ~6;
val it = 0 : int

整数部

- 6 div 3;
val it = 2 : int
- 6 div 4;
val it = 0 : int
- 3 div 6;
val it = 0 : int

整数值界限

使用整数基础库函数

- Int.maxInt;
val it = SOME 1073741823 : int option
- Int.minInt;
val it = SOME ~1073741824 : int option