release 和 drain
摘要：
drain：In a reference-counted environment, releases and pops the receiver; in a garbage-collected environment, triggers garbage collection if the memory allocated since the last collection is greater than the current threshold.releaseDecrements the receiver’s reference count. (required)在一个garbage col 阅读全文
posted @ 2011-12-27 20:14 hgy413 阅读(121) 评论(0) 推荐(0) 编辑
