Ruby | Array uniq!() function

Ruby | Array uniq!() function

Last Updated : 06 Dec, 2019

Array#uniq!() : uniq!() is a Array class method which removes duplicate elements from the array and returns only if there is duplicate element in the array.

Syntax: Array.uniq!() Parameter: Array Return: removes duplicate elements from the array.

Example #1 :

Ruby

# Ruby code for uniq!() 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]

# uniq! method example
puts "uniq!() method form : #{a.uniq!()}\n\n"

puts "uniq!() method form : #{b.uniq!()}\n\n"

puts "uniq!() method form : #{c.uniq!()}\n\n"

Output :

uniq!() method form : 

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

uniq!() method form :

Example #2 :

Ruby

# Ruby code for uniq!() method

# declaring array
a = ["abc", "nil", "dog"]

# declaring array
c = ["cat", nil, "cat"]

# declaring array
b = ["cow", nil, "dog"]


# uniq! method example
puts "uniq!() method form : #{a.uniq!()}\n\n"

puts "uniq!() method form : #{b.uniq!()}\n\n"

puts "uniq!() method form : #{c.uniq!()}\n\n"

Output :

uniq!() method form : 

uniq!() method form : 

uniq!() method form : ["cat", nil]

Ruby | Array uniq!() function

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