Ruby 数组uniq!()函数

Array#uniq!() : uniq!() 是一个数组类方法，它从数组中删除重复的元素，并且只在数组中存在重复的元素时返回。

语法。Array.uniq!()

参数。数组

返回：从数组中删除重复的元素。

例子 #1 :

# Ruby code for uniq!() 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]
  
# uniq! method example
puts "uniq!() method form : #{a.uniq!()}\n\n"
  
puts "uniq!() method form : #{b.uniq!()}\n\n"
  
puts "uniq!() method form : #{c.uniq!()}\n\n"

输出:

uniq!() method form : 

uniq!() method form : [1, 4, 88, 9]

uniq!() method form : 

例子 #2 :

# Ruby code for uniq!() method
  
# declaring array
a = ["abc", "nil", "dog"]
  
# declaring array
c = ["cat", nil, "cat"]
  
# declaring array
b = ["cow", nil, "dog"]
  
  
# uniq! method example
puts "uniq!() method form : #{a.uniq!()}\n\n"
  
puts "uniq!() method form : #{b.uniq!()}\n\n"
  
puts "uniq!() method form : #{c.uniq!()}\n\n"

输出:

uniq!() method form : 

uniq!() method form : 

uniq!() method form : ["cat", nil]