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
a = [ 18 , 22 , 33 , 4 , 5 , 6 ]
b = [ 5 , 4 , 22 , 1 , 88 , 9 ]
c = [ 18 , 22 , 33 , 40 , 50 , 16 ]
ar = [a, b, c]
puts "check : #{ar.rassoc(4)}\n\n"
puts "check : #{ar.rassoc(22)}\n\n"
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Output :
check : [5, 4, 22, 1, 88, 9]
check : [18, 22, 33, 4, 5, 6]
Code #2 : Example for rassoc() method
Ruby
a = [ "abc" , "xyz" , "dog" ]
b = [ "cow" , "cat" , "dog" ]
c = [ "cat" , "1" , "dog" ]
ar = [a, b, c]
puts "check : #{ar.rassoc(" xyz ")}\n\n"
puts "check : #{ar.rassoc(" 1 ")}\n\n"
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Output :
check : ["abc", "xyz", "dog"]
check : ["cat", "1", "dog"]
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