测试完才发现我下面代码写的不规范,那个枚举里面的几种类型必须为全部大写字母
1、非赋值的枚举类型
#include "stdio.h" enum weekday { sun,mon,tue,wed,thu,fri,sat } a,b,c; main(){ a=sun; b=mon; c=tue; enum weekday d ,e ,f; d = wed; e = thu; f = fri; printf("%d,%d,%d,%d,%d,%d\n",a,b,c,d,e,f); }
输出:
pateo@pateo-B86N53X:~/work/study$ cc main.c -o main pateo@pateo-B86N53X:~/work/study$ ./main 0,1,2,3,4,5
2、赋值的起始枚举
#include "stdio.h" enum weekday { sun=0x0009,mon,tue,wed,thu,fri,sat } a,b,c; main(){ a=sun; b=mon; c=tue; enum weekday d ,e ,f; d = wed; e = thu; f = fri; printf("%d,%d,%d,%d,%d,%d\n",a,b,c,d,e,f); }
输出:
pateo@pateo-B86N53X:~/work/study$ cc main.c -o main pateo@pateo-B86N53X:~/work/study$ ./main 9,10,11,12,13,14
3、赋值特殊
#include "stdio.h" enum weekday { sun=0x0009,mon,tue,wed=0x0003,thu,fri,sat } a,b,c; main(){ a=sun; b=mon; c=tue; enum weekday d ,e ,f; d = wed; e = thu; f = fri; printf("%d,%d,%d,%d,%d,%d\n",a,b,c,d,e,f); }
输出:
pateo@pateo-B86N53X:~/work/study$ cc main.c -o main pateo@pateo-B86N53X:~/work/study$ ./main 9,10,11,3,4,5
4、重复特殊
#include "stdio.h" enum weekday { sun=0x0009,mon=5,tue,wed=0x0003,thu=7,fri=2,sat=9 } a,b,c; main(){ a=sun; b=mon; c=tue; enum weekday d ,e ,f ,g; d = wed; e = thu; f = fri; g = sat; printf("%d,%d,%d,%d,%d,%d,%d\n",a,b,c,d,e,f,g); }
输出:
pateo@pateo-B86N53X:~/work/study$ cc main.c -o main pateo@pateo-B86N53X:~/work/study$ ./main 9,5,6,3,7,2,9