Ruby编程之类与函数

def timesRepeat2( aNum, anArray )
  anArray.each{ |anitem|
    yield( anitem )
  }
end
timesRepeat2( 3, ["hello","good day","how do you do"] ){ |x| puts(x) }
class MyArray < Array
  def initialize( anArray )
    super( anArray )
  end

  def timesRepeat( aNum )
    aNum.times{ # start block 1...
      | num |
      self.each{ # start block 2...
        | anitem |
        yield( "[#{num}] :: '#{anitem}'" )
      } # ...end block 2
    } # ...end block 1
  end
end
numarr = MyArray.new( [1,2,3] )
numarr.timesRepeat( 2 ){ |x| puts(x) }

hello
good day
how do you do
[0] :: '1'
[0] :: '2'
[0] :: '3'
[1] :: '1'
[1] :: '2'
[1] :: '3'