block使用细节_01

Paste_Image.png EECD3A86-F3E4-4E52-82A4-77CE979B221D.png

改成如下即可：

  NSArray *arr = @[^{NSLog(@"block0 :%d",val);},
                    ^{NSLog(@"block1 :%d",val);},
                    ^{NSLog(@"block2 :%d",val);},
                    ^{NSLog(@"block3 :%d",val);}];

0197F8FF-0167-491B-ABD8-E99250979556.png