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Ruby | Array rassoc() operation

  • Last Updated : 21 Aug, 2021

Array#rassoc() : rassoc() is an Array class method which searches an element through the array.
 

Syntax:  Array.rassoc()

Parameter: 
- Arrays for finding elements. 
- elements to detect

Return:  Array after adding the elements at the end.

Code #1 : Example for rassoc() method

Ruby




# Ruby code for rassoc() method
  
# 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, 16]
 
ar = [a, b, c]
 
# searching for an element
puts "check : #{ar.rassoc(4)}\n\n"
 
puts "check : #{ar.rassoc(22)}\n\n"

Output : 

check : [5, 4, 22, 1, 88, 9]

check : [18, 22, 33, 4, 5, 6]

Code #2 : Example for rassoc() method 

Ruby




# Ruby code for rassoc() method
  
# declaring array
a = ["abc", "xyz", "dog"]
  
# declaring array
b = ["cow", "cat", "dog"]
  
# declaring array
c = ["cat", "1", "dog"]
 
ar = [a, b, c]
 
 
# searching for an element
puts "check : #{ar.rassoc("xyz")}\n\n"
 
puts "check : #{ar.rassoc("1")}\n\n"

Output : 

check : ["abc", "xyz", "dog"]

check : ["cat", "1", "dog"] 



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