红宝石 |数组替换（）函数

Array#replace() : replace()是一个 Array 类方法，它返回所有数组中元素的所有组合的数组。

Syntax: Array.replace()

Parameter: Array

Return: an array of all combinations of elements from all arrays.

示例 #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]

示例 #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"]