Ruby 数组replace()函数

Array#replace() : replace() 是一个数组类的方法，它可以返回所有数组中的所有元素组合的一个数组。

语法。Array.replace()

参数。数组

返回：所有数组中的所有元素组合的数组。

例子 #1 :

# Ruby code for replace() method
  
# declaring array
a = [18, 22, 33, nil, 5, 6]
  
# declaring array
b = [1, 4, 1, 1, 88, 9]
  
# declaring array
c = [2, 5]
  
# replace method example
a.replace(b)
puts "replace() method form : #{a}\n\n"
  
b.replace(c)
puts "replace() method form : #{b}\n\n"
  
c.replace(a)
puts "replace() method form : #{c}\n\n"

输出:

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

replace() method form : [2, 5]

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

例子 #2 :

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

输出:

replace() method form : ["cow", nil, "dog"]

replace() method form : ["hi"]

replace() method form : ["cow", nil, "dog"]