Ruby | Array shift() function

Array#shift() : shift() is a Array class method which removes the first element of self and returns it or nil if the array is empty.

Syntax: Array.shift()

Parameter: Array



Return: removes the first element of self and returns it or nil if the array is empty.

Example #1 :

filter_none

edit
close

play_arrow

link
brightness_4
code

# Ruby code for shift() 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]
  
# shift method example
puts "shift() method form : #{a.shift()}\n\n"
  
puts "shift() method form : #{b.shift(2)}\n\n"
  
puts "shift() method form : #{c.shift(3)}\n\n"

chevron_right


Output :

shift() method form : 18

shift() method form : [1, 4]

shift() method form : [18, 22, 50]

Example #2 :

filter_none

edit
close

play_arrow

link
brightness_4
code

# Ruby code for shift() method
  
# declaring array
a = ["abc", "nil", "dog"]
  
# declaring array
c = ["cat", nil]
  
# declaring array
b = ["cow", nil, "dog"]
  
  
# shift method example
puts "shift() method form : #{a.shift()}\n\n"
  
puts "shift() method form : #{b.shift()}\n\n"
  
puts "shift() method form : #{c.shift()}\n\n"

chevron_right


Output :

shift() method form : abc

shift() method form : cow

shift() method form : cat




My Personal Notes arrow_drop_up

Check out this Author's contributed articles.

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.


Article Tags :

Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.