2018年5月16日
What are lazy variables?
摘要： Written by Paul Hudson @twostraws It's very common in iOS to want to create complex objects only when you need them, largely because with limited comp 阅读全文
posted @ 2018-05-16 10:54 zzfx 阅读(161) 评论(0) 推荐(0) 编辑