WLEmptyState
WLEmptyState copied to clipboard
循环引用问题cyclic Referenced
emptyStateDelegate、emptyStateDataSource objc_setAssociatedObject(self, &AssociatedKeys.emptyStateDataSource, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
->
objc_setAssociatedObject(self, &AssociatedKeys.emptyStateDataSource, newValue, .OBJC_ASSOCIATION_ASSIGN)