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Ruby Array () function with example
  • Last Updated : 08 Jan, 2020

Array#() : () is an Array class method which performs the comparison between the two arrays.

Syntax: Array.()

Parameter: Array for the comparison

Return: -1 : array is less than the other array
0 : array is equal to other array
1 : array is greater than the other array

Example #1 :






# Ruby code for <=>() method
# showing comparison
  
# declaring array
a = [18, 22, 33, 4, 5, 6]
  
# declaring array
b = [5, 4, 22, 1, 88, 9]
  
# declaring array
c = [18, 22, 33, 40, 50, 6]
  
# 1 as a>b
puts "comparison : #{a <=> b}\n\n"
  
# -1 as a<c
puts "comparison : #{a <=> c}\n\n"
  
# -1 as b<c
puts "comparison : #{b <=> c}\n\n"

Output :

comparison : 1

comparison : -1

comparison : -1

Example #2 :




# Ruby code for <=>() method
# showing comparison
  
# declaring array
a = ["abc", "xyz", "dog"]
  
# declaring array
b = ["cow", "cat", "dog"]
  
# declaring array
c = ["cat", "1", "dog"]
  
# -1 as a<b
puts "comparison : #{a <=> b}\n\n"
  
# -1 as a<c
puts "comparison : #{a <=> c}\n\n"
  
# 1 as b>c 
puts "comparison : #{b <=> c}\n\n"

Output :

comparison : -1

comparison : -1

comparison : 1

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