从这段代码我不知道两种方法之间的区别,collect和each.
collect
each
a = ["L","Z","J"].collect{|x| puts x.succ} #=> M AA K print a.class #=> Array b = ["L","Z","J"].each{|x| puts x.succ} #=> M AA K print b.class #=> Array
ruby each collect
collect ×1
each ×1
ruby ×1