twodot ":" in Struct for what

[nguyentuandang]

Write your question here.

struct{
 unsigned int shakeToEdit : 1;
        unsigned int isClassic : 1;}

I dont knnow ":" for what? Some one please answer^^

[AbstractionAnon]

The colon indicates a bit field. The number to the right of the colon is the number of bit positions the field occupies.

[nguyentuandang]

Thanks so much ^^!