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Ruby | Array <=> function

  • Last Updated : 05 Dec, 2019

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

Syntax: Array.()

Parameter: Array for the comparison

Return: 1 : if a > b
-1 : if a < b
0 : if a = b

Example #1 :






# Ruby code for <=>() method 
# checking equality 
     
# declaring arrays 
a = [18, 22, 33, 4, 5, 6
     
# declaring arrays 
b = [18, 22, 33, 4, 5, 6
     
# declaring arrays 
c = [18, 22, 33, 40, 50, 6
     
# <=> method
puts "<=> method : #{a <=> b}\n\n"
     
# <=> method 
puts "<=> method : #{a <=> c}\n\n"
     
# <=> method
puts "<=> method : #{b <=> c}\n\n"

Output :

 method : 0

 method : -1

 method : -1

Example #2 :




# Ruby code for <=>() method 
# checking equality 
     
# declaring arrays 
a = ["abc", "xyz", "dog"
     
# declaring arrays 
b = ["cat", "cat", "dog"
     
# declaring arrays 
c = ["cat", "cat", "dog"
     
# <=> method
puts "<=> method : #{a <=> b}\n\n"
     
# <=> method
puts "<=> method : #{a <=> c}\n\n"
     
# <=> method
puts "<=> method : #{b <=> c}\n\n"

Output :

 method : -1

 method : -1

 method : 0




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