更新时间:2023-11-30 13:42:34
id (^cacheResult)(NSString *, id(^)(void)) = ^(NSString *name, id(^block)(void)) {
NSObject *item = nil;
block();
return item;
};
块与函数指针的语法相似.您必须在^
Blocks have similar syntax to function pointers. You have to declare block name after the ^