typedef enum {
numberOne,
numberTwo,
numberThree
} numberType
typedef NS_ENUM(NSInteger,NumberType ){
numberOne,
numberTwo,
numberThree
}
typedef NS_OPTIONS(NSUInteger,NumberType){
numberOne=0,
numberTwo=1<<0
numberThree=1<<1
}
typedef enum ： NSInteger{
numberOne，
numberTwo，
numberThree
}numberType
typedef void (^numberStatusBlock)(NumberType type); //传递一种数据结构
typedef struct{
numberType type,
name
}num
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