极客教程Ruby 数组shuffle!()函数
Array#shuffle!() : shuffle!() 是一个Array类的方法，它可以将自身的元素原地洗牌。
语法。Array.shuffle!()
参数。数组
返回：将自身中的元素按位置进行洗牌。
例子 #1 :
# Ruby code for shuffle!() method
# declaring array
a = [18, 22, 33, nil, 5, 6]
# declaring array
b = [1, 4, 1, 1, 88, 9]
# declaring array
c = [18, 22, 50, 6]
# shuffle! method example
puts "shuffle!() method form : #{a.shuffle!()}\n\n"
puts "shuffle!() method form : #{b.shuffle!()}\n\n"
puts "shuffle!() method form : #{c.shuffle!()}\n\n"Ruby
输出:
shuffle!() method form : [5, 6, 22, 33, 18, nil]
shuffle!() method form : [1, 4, 9, 1, 1, 88]
shuffle!() method form : [22, 6, 18, 50]
Ruby
例子 #2 :
# Ruby code for shuffle!() method
# declaring array
a = ["abc", "nil", "dog"]
# declaring array
c = ["cat", nil]
# declaring array
b = ["cow", nil, "dog"]
# shuffle! method example
puts "shuffle!() method form : #{a.shuffle!()}\n\n"
puts "shuffle!() method form : #{b.shuffle!()}\n\n"
puts "shuffle!() method form : #{c.shuffle!()}\n\n"Ruby
输出:
shuffle!() method form : ["nil", "dog", "abc"]
shuffle!() method form : ["dog", "cow", nil]
shuffle!() method form : ["cat", nil]
Ruby