[view mas_makeConstraints:^(MASConstraintMaker *make) {
make.top.left.equalTo(@10);
make.right.bottom.equalTo(@-10);
}];
int result = [self tmf_calculate:^(CalcalateManager *mgr){
mgr.add(5).add(6);
}];
NSLog(@"result:%d",result);
#import "NSObject+Calculate.h”
#import “CalcalateManager.h"
@implementation NSObject (Calculate)
-(int)tmf_calculate:(void(^)())block{
// 创建计算管理者
CalcalateManager *mgr = [[CalcalateManager alloc] init];
// 执行计算
block(mgr);
return mgr.result;
}
#import <Foundation/Foundation.h>
@interface CalcalateManager : NSObject
@property(nonatomic, assign) int result;
- (CalcalateManager *(^)(int))add;
@end
#import "CalcalateManager.h"
@implementation CalcalateManager
- (CalcalateManager *(^)(int))add{
return ^(int value){
_result += value;
return self;
};
}
@end
