红宝石 |数组 uniq()函数

Array#uniq() : uniq()是一个 Array 类方法，它通过删除数组中的重复值来返回一个新数组。

Syntax: Array.uniq()

Parameter: Array

Return: a new array by removing duplicate values in the array

示例 #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 : [18, 22, 33, nil, 5, 6]

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

uniq() method form : [18, 22, 50, 6]

示例 #2：

# Ruby code for uniq() method
  
# declaring array
a = ["abc", "nil", "dog"]
  
# declaring array
c = ["cat", nil]
  
# declaring array
b = ["cow", "gogoog", "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 : ["abc", "nil", "dog"]

uniq() method form : ["cow", "gogoog", "dog"]

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