Ruby编程之遍历

multiarr =
  [ ['one','two','three','four'],
    [1, 2, 3, 4 ],
    [:a, :b, :c, :d ]
  ]
multiarr[0].length.times{|i|
  puts(multiarr[0][i], multiarr[1][i])
}
multiarr.each{ |arr|
  multiarr[0].length.times{|i|
    puts(arr[i])
  }
}
multiarr[0].length.times{|i|
  multiarr.each{ |arr|
    puts(arr[i])
  }
}

one
1
two
2
three
3
four
4
one
two
three
four
1
2
3
4
a
b
c
d
one
1
a
two
2
b
three
3
c
four
4
d

开发环境:Rubymine

The book of Ruby----A hands-on guide for the Adventurous---[美]Huw Collingbourne---no starch press