摘要: lua中 三目运算符的实现a ? b : c(a and b)or ca为true 则(a and b) == ba为false 或 nil时(a and b) == a又 a or c == a所以(a and b) or c == a ? b : c 阅读全文
posted @ 2011-01-21 15:07 luxury 阅读(1412) 评论(1) 推荐(0) 编辑