#1 has nothing to do with size optimization, it's purely stylistic and about having to write less code. See also http://blog.izs.me/post/3393190720/how-this-wor

#1 has nothing to do with size optimization, it's purely stylistic and about having to write less code. See also http://blog.izs.me/post/3393190720/how-this-works http://blog.izs.me/post/3393190720/how-this-works