红宝石 |数组 to_a()函数

Array#to_a() : to_a()是一个返回自身数组的 Array 类方法。

Syntax: Array.to_a()

Parameter: Array

Return: self array representation

示例 #1：

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

输出 ：

to_a() method form : [18, 22, 33, nil, 5, 6]

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

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

示例 #2：

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

输出 ：

to_a() method form : ["abc", "nil", "dog"]

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

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